Practice physics test 4 on current electricity MCQs, grade 10 electric current multiple choice questions and answers. Electric current revision test has physics worksheets, answer key with choices as ohm, charge, volt and ampere of multiple choice questions (MCQ) with electric current quiz as the si unit of current is for competitive exam prep. Free physics study guide to learn electric current quiz to attempt multiple choice questions based test.

MCQ. SI unit of current is

1. charge
2. ohm
3. volt
4. ampere

D

MCQ. Unidirectional current is called

1. alternating current
2. electric charge
3. direct current
4. indirect current

C

MCQ. Dry human skin has a resistance of

1. 100, 000 Ω
2. 300 Ω
3. 20 Ω
4. 100 Ω

A

MCQ. Resistance of wire depends upon

1. volume
2. length
3. cross sectional area
4. B and C both

D

MCQ. If a light bulb is switched on for 20 s and it consumes 2400 J of electrical energy then it's power is

1. 60 W
2. 70 W
3. 80 W
4. 90 W

A

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