Viva questions and answers for ohm's law
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Viva questions and answers for ohm's law
Q. State Ohm's law
Ans. ohm's law states that if the temperature of a conductor is kept constant, the current flowing through the conductor is directly proportional to the potential difference across its ends.
Q. shape of V v/s I graph for an ohmic conductor?
Ans. Straight line
Q. "Half-splitting" is
Ans. a means of isolating a problem in a circuit
Q. If doubling the voltage across a resistor doubles the current through the resistor then
Ans. the resistor value did not change
Q. If the voltage across a fixed value of resistance is increased five times, what does the current do?
Ans. It increases by a factor of five
Q. If the resistance in a circuit with constant voltage increases, the current will
Ans. decrease
Q. Ohm's law is the mathematical relationship between
Ans. resistance, voltage, and current
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