Multiple Choice Question (MCQ)
Question: Calculates the value of unknown resistance (R) is connected in a wheat stone bridge at balanced conditions, if P = 350 Ohm , S = 200 Ohm and Q = 420 Ohm?
A.
480 Ohm
B.
320 Ohm
C.
280 Ohm
D.
240 Ohm
Correct Answer: 240 Ohm