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Parallel Circuits

Q1: Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is

A 12.5 

B 200 

C 20 K

D 50 

ANS:C - 20 K

10/(R/4) = 2 mA

40/R = 2 mA

R = 40/2 mA

= 40/0.002 A

= 20000 kohm (20 kohm)



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