Parallel Circuit Questions

Finding the equivalent resistance of parallel connected resistors. The current that flow through in parallel connected resistor. The voltage across parallel connected resistors. Questions and its explanatory solutions.


Question 1

Parallel-circuit-t1q1


What is the equivalent resistance in the circuit shown in the above figure?

A) 0,5 Ω              B) 1 Ω              C) 1,5 Ω

D) 2 Ω                E) 3 Ω


Question 2

Parallel-circuit-t1q2


What is the equivalent resistance in the circuit shown in the above figure?

A) 2,5 Ω            B) 3,2 Ω             C) 4,5 Ω

D) 6 Ω               E) 10 Ω


Question 3

Parallel-circuit-t1q3


The equivalent resistance of in the circuit shown in the above figure is 2 Ohm.

What is the value of the resistance R2 ?


A) 12 Ω              B) 8 Ω           C) 6 Ω

D) 4 Ω                E) 2 Ω


Question 4

Parallel-circuit-t1q4


The equivalent resistance of in the circuit shown in the above figure is 3 Ohm.

What is the current that flow through from resistance R2 ?

A) 3 A                 B) 6 A                C) 9 A

D) 11 A               E) 13 A


Question 5

Parallel-circuit-t1q5


What is the equivalent resistance in the circuit shown in the figure above?

A) 0,5 Ω                  B) 1 Ω                 C) 1,2 Ω

D) 1,5 Ω                  E) 2 Ω


Question 6

Parallel-circuit-t1q6


What should the value of the resistor R2 be in order the current flowing from the Rresistor to be 5A?

A) 12               B) 15             C) 18

D) 20               E) 30


Question 7

An electric circuit is consist twelve resistors in parallel and 72 V of supply source.

The resistors are equal and the value of each of resistors is 108 Ohm.

What is the total current taken the from the supply voltage of this circuit?


A) 6 A              B) 8 A             C) 10 A

D) 12 A            E) 18 A


Question 8 

Parallel-circuit-t1q8


It is seen an electric circuit in the figure above.

what should the value of resistor R3 be in order for the current drawn from the supply voltage to be 16 A ?

A) 4 Ω             B) 8 Ω            C) 10 Ω

D) 12 Ω           E) 16 Ω


Question 9

Parallel-circuit-t1q9


What should the value of resistor R3 be in order for the equivalent resistance of the circuit in the figure above to be 4 Ohm?


A) 5               B) 10            C) 15

D) 20             E) 25


Question 10

An electric circuit consists of resistors R1, R2, R3 connected in parallel. The values of these resistors is

R1 = 30 Ω, R2 = 60 Ω, R3 = 60 Ω

The potential difference of the supply voltage of this circuit is 60 V.

What should the value of the resistor that must connection in parallel to this circuit be in order for the total current drawn from supply voltage to be 10 A?


A) 3 Ω            B) 8 Ω              C) 10 Ω

D) 12 Ω          E) 15 Ω


Solutions of These Questions



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27/10/2018

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