Electric Current Mock Tests

21 questions available

Electric Current Mock Test 1

Questions: 21

Sample Questions

Class 10 Science

In a parallel circuit, three resistors of 2Ω, 3Ω, and 6Ω are connected. The equivalent resistance is:

A 11Ω

B 1Ω

C 3Ω

D 6Ω

Class 10 Science

According to Ohm's law, which of the following remains constant at constant temperature?

A Current

B Voltage

C Ratio of voltage to current

D Resistance only

Class 10 Science

In an electric circuit, a 40 Ω resistor and a 60 Ω resistor are connected in series. The current through the 40 Ω resistor is 0.3 A. The current through the 60 Ω resistor is:

A 0.1 A

B 0.3 A

C 0.5 A

D 0.6 A

Class 10 Science

Two resistors of 4 Ω and 12 Ω are connected in parallel. This combination is connected across a 12 V battery. The total current drawn from the battery is:

A 0.75 A

B 1.5 A

C 4.0 A

D 16.0 A

DSC Science

In a parallel circuit with three resistors, how does the total resistance compare with the individual resistances?

A The total resistance is greater than the largest individual resistance

B The total resistance is equal to the sum of all individual resistances

C The total resistance is less than the smallest individual resistance

D The total resistance is equal to the average of all individual resistances

Class 10 Science

Two resistors of 6 Ω and 3 Ω are connected in parallel. The equivalent resistance is:

A 9 Ω

B 2 Ω

C 4.5 Ω

D 1.5 Ω

Class 10 Science

Three resistors of 4 Ω, 6 Ω, and 12 Ω are connected in parallel. This combination is connected to a 6 V battery. What is the total current drawn from the battery?

A 2.5 A

B 3.0 A

C 1.5 A

D 4.0 A

DSC Science

According to Ohm's law, if the resistance in a circuit is doubled while the voltage remains constant, what happens to the current?

A The current doubles

B The current is halved

C The current remains the same

D The current becomes four times

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