# Series Connected Resistor Questions

## Series connected resistors. Calculation of the equivalent current, resistant and potential differences in series circuits. Tutorial and developer questions with its solutions.

Question 1 In the electric circuit in the figure,Voltage across resistor R2 is V2, and voltage across resistor R6 is V6.

Calculate the sum of the V2 + V6.

A) 2 V             B) 4 V                  C) 6.5 V

D) 8.5 V          E) 11 V

Question 2 The equivalent resistance of the circuit that in the figure is 12 Ohm.

What is the voltage (V2) across the resistor R2 ?

A) 20 V             B) 18 V                C) 12 V

D) 8 V              E) 6 V

Question 3 The current of the circuit that in the figure is 0,5 A.

What is value of the resistor R4 ?

A) 92 Ω                 B) 86 Ω               C) 62 Ω

D) 55 Ω                 E) 40 Ω

Question 4 In the circuit in the figure, the V3 voltage across the resistor R3 is 8.8 V.

According to this, What is value (V) of the supply voltage of the the circuit?

A) 20 V                  B) 40 V                  C) 60 V

D) 75 V                 E) 90 V

Question 5 In the circuit above, the voltage of the resistor R2 is V2, and the voltage of the resistor R3 is V3.

V2 + V3 = 16 V

According to this,

What is the value of the voltage source (V) of the circuit?

A) 24 V               B) 36 V                 C) 48 V

D) 64 V               E) 80 V

Question 6 In the circuit in the figure, what is must be the value of the voltage source (V), in order that the main current 2 A.

A) 400 V                B) 360 V                C) 320 V

D) 270 V               E) 220 V

Question  7 R1 = 3 Ω, R2 = 5 Ω, R3 = x, R4 = 1 Ω, R5 = 25 Ω, R6 = 8 Ω, R7 = 7 Ω

The main current of in the circuit in the figure is 2 A.

What is the value of the resistor R3 ?

A) 24 Ω

B) 20 Ω

C) 18 Ω

D) 12 Ω

E) 6 Ω

Question 8

The equivalent resistance of an series electric circuit is 36 Ω, and the current of the circuit is 0,75 A.

If connected a resistor of 18 ohm as series, what is be the current of the circuit?

A) 1 A

B) 0,75 A

C) 0,5 A

D) 0,25 A

E) 0,15 A

Question 9

The equivalent resistance of a electric circuit is 60 Ohm, and the current of this circuit is 2,5 A.

To be 1,5 A of the current of this circuit, what is the value of the resistor that must be connected in series.

A) 60 Ω

B) 40 Ω

C) 30 Ω

D) 20 Ω

E) 10 Ω

Question 10

The voltage source of a series connected circuit is 24 V. Current of this circuit is 0,2 A.

Calculate the equivalent resistance of this circuit.

A) 30 Ω

B) 45 Ω

C) 60 Ω

D) 75 Ω

E) 120 Ω

The Solutions Of These Questions

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20/10/2018

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