Exploring Electricity: Ohm's Law and its Applications
Science
GCSE Higher
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A worksheet covering Electricity - Ohm's Law for GCSE Higher students.
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Exploring Electricity: Ohm's Law and its Applications
Subject: ScienceGrade: GCSE Higher
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Date:
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Untitled Worksheet
Grade GCSE Higher
A
Introduction
Read the following introduction carefully.
B
Questions
Answer all questions. Show your working where appropriate.
1.
What is Ohm's Law?
[2 marks]2.
Define electrical resistance.
[1 mark]3.
Multiple choice question: What is the unit of electrical resistance?
[1 mark]AOhm
BVolt
CAmpere
DWatt
4.
True or False? Increasing the voltage increases the current if the resistance remains constant.
[1 mark]5.
True or False? If resistance increases and voltage remains constant, the current will increase.
[1 mark]6.
Calculate the current flowing through a resistor of 10 ohms when the voltage applied is 20 volts. Use Ohm's Law: V = IR.
[3 marks]7.
Explain the relationship between voltage, current, and resistance.
[6 marks]8.
Match the following terms to their definitions:
[3 marks]1. Current
2. Voltage
3. Resistance
AOpposition to the flow of current
BThe flow of electric charge
CThe potential difference between two points
9.
Fill in the blank: The resistance of a conductor is measured in ___.
[1 mark]10.
Provide a short explanation: Why does resistance increase with temperature in most conductors?
[2 marks]11.
Order the steps in calculating the total resistance in a series circuit.
[2 marks]1
2
3
4
5
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- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet