Current electricity MCQs, current electricity quiz answers 9 to learn high school online courses. Electric current multiple choice questions (MCQs), current electricity quiz questions and answers for for online school degrees. Direct and alternating current, factors affecting resistance, electrical energy and joules law, electric safety, current and electricity test for high school teacher certification.

Learn high school physics multiple choice questions (MCQs): resistance of wire depends upon, with choices length, volume, cross sectional area, and b and c both for online school degrees. Free physics study guide for online learning electric current quiz questions to attempt multiple choice questions based test.

MCQ: Ground wire carries

1. current
2. no electricity
3. frequency
4. voltage

B

MCQ: Resistance of wire depends upon

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

D

MCQ: Amount of heat generated in a resistance due to flow of charges is equal to product of square of current, resistance and time duration. This statement is known as

1. Ohm's law
2. Joule's law
3. Newton's law
4. Pascal's law

B

MCQ: A large amount of current passes through earth wire because it has

1. very low resistance
2. very high resistance
3. high frequency
4. low frequency

A

MCQ: In absence of any external source no current passes through conductor due to electron's

1. random motion
2. circular motion
3. vibratory motion
4. linear motion

A