Three resistors of values 2 ohm, 6 ohm and 12 ohm are connected across a DC volt

Question

Three resistors of values 2 ohm, 6 ohm and 12 ohm are connected across a DC voltage source as shown in Fig. 26-19. If the total current through the circuit is I = 5.0 A, what is the current through the 12 ohm resistor?

A) 0.7 A B) 0.9 A C) 0.6 A D) 0.5 A E) 0.8 A

Three resistors of values 2 ohm, 6 ohm and 12 ohm are connected across a DC voltage source as shown in Fig. 26-19. If the total current through the circuit is I = 5.0 A, what is the current through the 12 ohm resistor? 1.A) 0.7 A B) 0.9 A C) 0.6 A D) 0.5 A E) 0.8 A

Explanation / Answer

equivalent resistance

1/R =1/2+1/6+1/12

R=1.33 ohms

V=IR =1.33*5=6.67 Volts

Current through 12 ohms is

I=V/R =6.67/12 =0.6 A(approx)

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