Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

100 ohms
100 K ohms
99.99 ohms
99.99 K ohms

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to

  Minimize the effect of temperature variation.
 Obtaine large deflecting torque.
 Minimize the effect of stray magnetic fields.
 Reduce the size of the meter.

ANSWER DOWNLOAD EXAMIANS APP