Current Electricity – I Current Electricity – I Charge, Current, Potential, Potential difference and Resistance: Ohm’s law 1 / 10 The obstruction offered to the flow of current by the conductor is Potential difference Resistance Potential 2 / 10 Which of the following factors does not affect the resistance of a conductor? Length of the conductor Temperature of the conductor Cross-sectional area of the conductor Color of the conductor 3 / 10 Work done per unit charge in moving a positive test charge from one oint to another is Potential Potential difference Resistance Current 4 / 10 The amount of work done per unit charge in bringing a ositive test charge from infinity to that point is Current Resistance Potential Potential difference 5 / 10 If the potential difference across a resistor is 12V and the current flowing through it is 3A, what is the resistance? 36 Ohms 0.25 Ohms 4 Ohms 15 Ohms 6 / 10 Which of the following best defines electric potential difference between two points? The work done to move a unit charge from one point to another The force experienced by a unit charge The current flow between two points The resistance between two points 7 / 10 What is the unit of electric potential? Ohm Joule Volt Ampere 8 / 10 If a charge of 10 Coulombs flows through a conductor in 2 seconds, what is the current? 2 A 5 A 10 A 20 A 9 / 10 Which of the following is the correct relation for electric current (I)? I = Q/t I = V/R I = P/V I = R/V 10 / 10 What is the SI unit of electric charge? Coulomb Ampere Volt Ohm Your score isThe average score is 0% 0% Restart quiz
