GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Three resistors connected in parallel each carry currents labeled I1, I2 and I3. Which of the following expresses the value of the total current IT in the combined system?
A
IT = I1 + I2 + I3
B
IT = (1/I1 + 1/I2 + 1/I3)
C
IT = I1 = I2 = I3
D
IT = (1/I1 + 1/I2 + 1/I3)-1
Explanation: 

Detailed explanation-1: -Thus, the expression for the three resistance connected in a parallel circuit is 1 R e q = 1 R 1 + 1 R 2 + 1 R 3 .

Detailed explanation-2: -Three resistors connected in parallel have the individual voltages labeled DV1, DV2 and DV3, respectively.

Detailed explanation-3: -When two resistors are connected in parallel, the voltage across both resistors is the same. The battery current is split between the two resistors. The smallest resistance has the largest current through it.

There is 1 question to complete.