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Electricity Practice

Solve chapter-level practice questions for Electricity with reveal-only solutions and quick revision support.

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Practice Test 1

Current, voltage, and resistance basics.

Q1. State Ohm's law.
Q2. A charge of 20 C flows in 4 s. Find the current.
Q3. What is the SI unit of resistance?

Practice Test 2

Resistor combinations and power numericals.

Q1. Find the equivalent resistance of 2 ohm and 3 ohm resistors connected in series.
Q2. Find the equivalent resistance of 2 ohm and 6 ohm resistors connected in parallel.
Q3. A bulb works on 220 V and draws 0.5 A current. Find its power.
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Quick Q&A Before You Revise

Why are household appliances connected in parallel?

Because each appliance gets the same supply voltage and can work independently without affecting the others.

How is one unit of electricity defined?

One unit of electricity is one kilowatt-hour, which is the energy consumed when a 1 kW appliance works for 1 hour.

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