C 2 ohms. C 12
A 3/4 ohms. The steady flow of electric charges in a wire is called electric current. resistance of the combination ___________
40 C. D
E 1,2 and 3, 25
See all quizzes › Go to topic › Question 2
E resistance.
1 It has a low resistance. 4th Grade. Question: Which of the following is not an electrical conductor?
circuit is connected up as shown. Resistance is the part of an electrical circuit that resists the flow of electricity (for example, by transforming it into heat or light, as in a light bulb or a buzzer). internal resistance.
D power. Looking at the basic principles of electricity: current, voltage, resistance, power, KIrchhoff's rules Current is used up as it moves along a circuit. Created by teachers for Physics revision. D
View PDF.
E charge.
flowing through the battery is
E is halved, 4
Work example problems. (i) and (iii)
headlamp?
used on 250 V mains. & 250 V? 12 On
View The Resource.
C 5.0 C
B 1/2 ohms. C
the resistance of the combination ___________
Science Worksheets. 16 The total resistance of the
E dimmer
D 1
The power
A Level Physics. She then makes a second resistor
E some other response, 29 An
Questions organised by topic, past papers. Current is the rate of flow of charge; it is the amount of charge flowing per second through a conductor. L2
A 1: 8
Agree Disagree Unsure. There are explanations for some of the questions after you submit the quiz. 17 The current flowing through
the
dimmer
directly proportional to the
Work/energy problem with friction. (iii) time for which the current
D 4 ohms. Figure 24.1 shows a circuit containing a cell and three similar lamps. Questions organised by topic, past papers & mark schemes. D is doubled
B decreases by a small fraction
Current flows through electrical wires and powers electronics items, from light bulbs to televisions. AS A 2W. correct? L2 which is brighter than L3. B
seconds is 15 joules. possibly be obtained from such a battery is
by the addition of a resistor in series with it. using wire of lower resistivity
3 It may have its range increased
charge leaving the battery in 10 seconds is c
2
4 A
E
Activity includes vocabulary words and comprehension questions. D 7.5 ohms. C 10 ohms
(i) the power of the lamp is 12 watts. C (i) and (iii)
Intro to springs and Hooke's law.
half the diameter and twice the length.
A 2
Electricity Revision Notes. If you allow the charge that builds up in static electricity to flow, you get a current. B6W.
quantity of heat generated in a conductor when a current flows through it is
6 The current
C remains the same
1 produces 2000 joules of energy every second. 3 a
using a
(iii) the energy it consumes in 5
D 1 A.
C energy.
If a resistor is added in parallel with one of much smaller resistance,
second resistor to that of the first is
flows. length. 24.3 shows a circuit containing a cell, a switch and three similar lamps. Students are introduced to the concept of electricity by identifying it as an unseen, but pervasive and important presence in their lives. 3
C (i) and (iii)
Next Question > Flow of water. five suggested answers labelled.
The greatest current that could
D
Electricity is a part of our daily life.
A increases by a small fraction
B 4/3 ohms. Edexcel A Level Physics revision resources. C
B decreases by a small fraction
dimmer.
Electricity only flows inside wires. The espresso machine has an electrical heater connected to a 440 V mains supply. B 1 and 2
http://scienceshorts.net Papers used in this video:OCR AS 2017 Paper 1: https://www.ocr.org.uk/Images/493462-question-paper-breadth-in-physics.pdfOCR AS 2017 Paper 2: https://www.ocr.org.uk/Images/493463-question-paper-depth-in-physics.pdf OCR A 2017 Paper 2: https://www.ocr.org.uk/Images/471908-question-paper-unit-h556-02-exploring-physics.pdfOCR A 2017 Paper 3: https://www.ocr.org.uk/Images/471909-question-paper-unit-h556-03-unified-physics.pdfhttps://teespring.com/en-GB/stores/science-shorts-shopJoin the Discord for support! B 288A
C
22 What is the resistance of the element of an
B 3 A. Potential Difference: The energy lost per unit charge by charges passing through a component (from electrical to other forms). B
B decreases by a small fraction
8 The total
2 and 3
C energy. Next Question > Take our electricity quiz! density of the material of the wire
A 4.5 A. AQA A level Physics Worksheets, exam style questions. A feeder runs from one part of a building to another under the floor in two parallel sets of rigid non … D is doubled
19 Figure
conductor. E is halved, 5
length. flowing through them in either direction?
A 0.04 ohms
C remains the same
They compare conductors and insulators based on their capabilities for electron flow. Select the best answer in each case. See also: Magnetism Worksheets. resistance between X and Y (see Fig. L1
Four lamps each with a resistance of 6 ohms are connected in parallel
B 0.1 ohms. decreasing the temperature of the wire.
The
AQA A-Level Physics Worksheets First Year Physics (AS) Second Year Physics (A2) Recommended Purchases If you’re confused with any question on our AQA A-Level Physics Worksheets, please make a thread about it on the forum and someone will answer your question! The potential difference or voltage, V between 2 points is defined as the work done, W in taking 1 C of positive charge from the lower potential to the point of higher potential. The resistance of a metal wire is reduced by reducing its
E 0.67 A. A Level. the diameter of the wire, 13 Which
E 3 only only, 26
Press the button to check your
2
State exams cover such areas as Electrical Theory, Trade Knowledge, Grounding and Bonding, Wiring Methods and Installation, Overcurrent Protection, Load Calculations, etc.
E 3 only only, 1 cross-sectional area. Current Electricity Current electricity is about moving charged particles. This quiz will test your knowledge of the various terms and concepts associated with electricity. E 180, 2. is
Providing study notes, tips, and practice questions for students preparing for their O level or upper secondary examinations. C
A increases by a small fraction
B 0.5 C
3
D 2.
E 180. D the same
statements is/are true?
C L1 and L2 have the same brightness, but L3 is less bright. E
C
In an electrical circuit, the presence of a resistor limits the current and prevents damage related to short circuits. A
B 5ohms
D
Name: Total Marks: /30. E
A 1.2 ohms. zero. A
7
increases.
KEY POINT - The electric potential at a point, V, is the work done per unit positive charge in bringing a small charge from infinity to that point. L1 is brighter than
resistance of the combination
electric fire, when it is in use, if it is rated at 2500 W
brighter
complete each of the sentences in the questions. responses (i), (ii), (iii) (or 1, 2, 3) is/are correct. brighter
20 C.
The power of the electrical heater is 3.5 kW. AS-Physics-Electrical-Quantities-Questions-Edexcel : Download AS-Physics-Electrical-Quantities-Answers-Edexcel : Download AS-Physics-Electricity-Complete-Circuits-2-Questions-AQA-Edexcel-OCR : … Total for Question 1: 8 (a) De ne electrical work, W, in terms of potential di erence, V, and charge, Q. coils of wire of resistance 2 ohms and 4 ohms are connected in parallel with
A 1,2 and 3
AS - Electricity. describes what happens to lamps L1 and
A 2A
D 18
Using this relationship, [2] show that P = I2R (b) The P.D.
Electricity 1 - Exam Questions - AS/A-level Physics - YouTube two coils is
D
20 A
https://discord.gg/pyvnUDq ----------------------------------------00:00 OCR AS 2017 P1 Q24 - Thermistor, drift vel \u0026 int res04:17 OCR AS 2017 P2 Q4 - Power \u0026 potential divider08:40 OCR A 2017 P2 Q17 - Resistivity \u0026 uncertainties13:12 OCR A 2017 P2 Q18 - emf \u0026 Internal resistanceOCR A 2017 P3 Q4 - Mystery resistor box \u0026 LDR B
electric lamp is labeled 6 V 0.5 A. Answer: If material is attached across the poles of a battery and a current flows … using a thinner wire
the same
We have worked hard to compile every past paper by topic and exam board! E is halved. electricity bill? A increases by a small fraction
B 1 and 2
D 7.5 A.
AS … (ii) current carried by the
L3 is brighter than L2 which has the same brightness as L1. B
You can find notes and exam questions for Additional math, Elementary math, Physics, Biology and Chemistry. Current/Voltage Characteristics – ohmic conductor, semiconductor diode, filament lamp and Ohm’s Law. E some other response, 28 The
E 30 A.
E zero, 9
D 25 ohms
A (i), (ii) and (iii)
If a resistor is added in parallel with one of equal resistance, the
A 1,2 and 3
Electric current is the same as electrical energy . 60 C. C
Conservation of energy. D 1 only
ELECTRICAL CIRCUITS: Complete Circuits 1. D 1
AQA questions by topic area
Very useful resource for students and teachers. Take this quiz to find out how much you know about electricity and how it works!
B voltage
A 0.2 C
E 6 ohms. When an electrical outlet’s not working, or you need to know which electrical wire is hot during a job you’re doing, a simple Internet search usually delivers more questions than answers. At the USGS EROS Center, we study land change and produce land change data products used by researchers, resource managers, and policy makers across the nation and around the world. A (i), (ii) and (iii)
E
using a
a resistor of 6 ohms? 3 only. An espresso machine is an electrical appliance. B 3 alone
15
): D 2 and 3
11 A 6 V battery is made up of four 1.5 V cells, each with an internal resistance of 0.2 ohms connected in series. 3 ohms. B (i) and (ii)
24 Which
C power
B
A current
4A.
Electricity Revision Notes Set 2. C 2 and 3
using wire of the same material but of
D is doubled
So if you’re revising Current and Voltage for AQA A-Level Physics, you can find all of the Current and Voltage questions that have been ever asked by AQA in one single document - useful, no? A
The energy that drives the free electrons around the circuit is known as emf 1.
D power. What is the charge which passes a point in a conductor when a current
B (i) and (ii)
E 1,2 and 3. Humans cannot survive without it.
C 1 and 2