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Learn physics MCQs: substances that have constant resistance over wide range of voltages are, with choices ohmic, non ohmic, resistive, and non resistive for online school degrees. Free physics student portal for online learning ohm's law quiz questions, 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