Measurements and Instrumentation - Engineering

Q1:

A coil resonates at 1 MHz with a resonating capacitance of 72 pF. At 500 pF, resonance is obtained with a resonating capacitor of 360 pF. The self capacitance of coil is

A 12 pF

B 24 pF

C 30 pF

D 72 pF

ANS:B - 24 pF

500pF is replaced by 500KHz.