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Physics practice test MCQ: substances that have constant resistance over wide range of voltages are with options ohmic, non ohmic, resistive and non resistive for online e-learning with secondary school learning and high school education with online student portal. Free physics revision notes to learn ohm's law quiz with MCQs to find questions answers based online learning tests.

MCQ: Substances that have constant resistance over wide range of voltages are

1. ohmic
2. non ohmic
3. resistive
4. non resistive

A

MCQ: As per Ohm's law, V (potential difference) is equal to

1. I(current)×R(resistance of the conductors)
2. I(current)/R(resistance of the conductors)
3. R(resistance of the conductors)/I(current)
4. I(current) + R(resistance of the conductors)

A

MCQ: Ohm is denoted by symbol

1. π
2. Ω
3. ω
4. λ

B

MCQ: Property of a substance which offers opposition to flow of current through it is called

1. energy
2. capacity
3. resistance
4. voltage

C

MCQ: Ohm's law can be defined as

1. V = It
2. V = If
3. V = IR
4. V = I⁄R

C