Electric Circuits Test-1

How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

• 10 C
• 600 C
• 60 C
• 100 C

What are the units of Charge, Current and Voltage respectively?

• Ampere, Coulomb, joule
• Coulomb, Ampere, Volt
• Coulomb, Ampere, joule
• Volt, Ampere, Coulomb

Rate of flow of electric charge is called _____________

• Electric current
• Potential difference
• Voltage
• Capacitance

Find the voltage between two points if 60 J of energy are required to move a charge of 20 C from one point to another

• 1 V
• 2 V
• 3 V
• 4 V

Match the following

• A-1, B-2 ,C-4, D-5, E-3
• A-4, B-1, C-2, D-5, E-3
• A-3, B-1, C-2, D-5, E-4
• A-4, B-1, C-2, D-3, E-5

What is the potential difference between the points ab, bc, cd and da as shown in figure?

• 0 V, 1.5 V(Potential rise), 0 V, 1.5 V(potential drop)
• 0 V, 1.5 V(Potential drop), 1.5 V, 1.5 V(potential rise)
• 0 V, 1.5 V(Potential drop), 0 V, 1.5 V(potential rise)
• 1.5 V, 1.5 V(Potential drop), 0 V, 1.5 V(potential rise)

Determine the energy expended in moving a charge of 50 μC between two points if the voltage between the points is 6 V.

• 300 μJ
• 200 μJ
• 100 μJ
• 50 μJ

A solid state device in a calculator display has 0.03 coulombs of charge pass through it in 10 seconds. Find the current in milli amperes.

• 1 mA
• 2 mA
• 3 mA
• 4 mA

Which is the correct equation of Ohm’s Law?

• V=R/I
• R=IV
• I=R/V
• V=IR

Which of the following statements regarding Ohm’s Law is correct?

• Increasing the resistance in a circuit always decreases the potential difference across it
• When resistance increases in a circuit with a specific potential difference then current must also increase
• If resistance is kept constant , potential difference changes with change in current
• An electrical conductors resistance depends on the potential difference it experiences