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Year 11 Exam  >  Year 11 Tests  >  Test: Electrical Quantities - Year 11 MCQ

Test: Electrical Quantities - Year 11 MCQ


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10 Questions MCQ Test - Test: Electrical Quantities

Test: Electrical Quantities for Year 11 2024 is part of Year 11 preparation. The Test: Electrical Quantities questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Electrical Quantities MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Electrical Quantities below.
Solutions of Test: Electrical Quantities questions in English are available as part of our course for Year 11 & Test: Electrical Quantities solutions in Hindi for Year 11 course. Download more important topics, notes, lectures and mock test series for Year 11 Exam by signing up for free. Attempt Test: Electrical Quantities | 10 questions in 20 minutes | Mock test for Year 11 preparation | Free important questions MCQ to study for Year 11 Exam | Download free PDF with solutions
Test: Electrical Quantities - Question 1
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If a charge flows through a resistor, which of the following happens to the resistor?

Detailed Solution for Test: Electrical Quantities - Question 1
A resistor makes it harder for the electrons to pass and some of their energy is transferred into heat by the resistor
Test: Electrical Quantities - Question 2
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In a filament lamp, in what form is most of the energy lost?

Detailed Solution for Test: Electrical Quantities - Question 2
The filament is a resistance wire that is designed to become so hot that it emits energy in the visible light part of the spectrum
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Test: Electrical Quantities - Question 3
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What is power?

Detailed Solution for Test: Electrical Quantities - Question 3
In everyday language, power can have several meanings but in physics, it always means the same thing whether it is in an electrical or a mechanical context
Test: Electrical Quantities - Question 4
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What is the formula for power?
Detailed Solution for Test: Electrical Quantities - Question 4
If the units you use for energy and time are joules and seconds, the power will be in watts
Test: Electrical Quantities - Question 5
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Calculate the power of an appliance that uses 1000 joules of energy in 5 seconds.
Detailed Solution for Test: Electrical Quantities - Question 5
Power is the rate at which energy is transferred therefore you need to divide the energy by the time during which it was being transferred. 1000 divided by 5 gives you the answer of 200. Since the energy transferred is in joules and the time in seconds, the power has been calculated in watts
Test: Electrical Quantities - Question 6
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Power, potential difference and current are correctly related by which equation?
Detailed Solution for Test: Electrical Quantities - Question 6
This is a very handy equation - make sure you learn it well and can rearrange it to work out the current or potential difference
Test: Electrical Quantities - Question 7
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What is the voltage of an appliance if it uses 200 J per second when supplied with a current of 5 A?
Detailed Solution for Test: Electrical Quantities - Question 7
Always ensure you give units in your answer. Marks can be lost for missing them out!
Test: Electrical Quantities - Question 8
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Which equation correctly shows the relationship between energy transferred, voltage and charge?
Detailed Solution for Test: Electrical Quantities - Question 8
You can substitute current and power in place of voltage if it is not given in a question. You need to use this formula and combine it with the one given in question 6
Test: Electrical Quantities - Question 9
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What is the energy transferred if the voltage is 5 V and the charge is 10 C?
Detailed Solution for Test: Electrical Quantities - Question 9
Whilst you would get a mark for answering 50 you would lose a mark for not giving units with your answer. If you are struggling to calculate an answer to a numerical question, always put a number with the correct units! At least you will get a mark for using the correct units
Test: Electrical Quantities - Question 10
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What size of fuse would be required for a 230 V, 500 W heater?
Detailed Solution for Test: Electrical Quantities - Question 10
To find out the most appropriate fuse to use, calculate the current flowing through the appliance. The fuse should have a rating slightly higher than the current
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Important Questions for Electrical Quantities

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