A milliammeter can be used as
1). Voltmeter and ammeter
2). Wattmeter
3). Ohmmeter
4). Frequency meter
Milliammeter can be used as an ammeter by using a shunt resistance.
Milliammeter can be used as a voltmeter by using series resistance.1. In a synchronous motor, the magnitude of stator back e.m.f. £& depends on
2. The capacity of a battery is measured in milli-amperes.
3. Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?
4. In a star-delta starter of an induction motor
5. The disadvantage of voltage divider bias is that it has ___________
6. When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
8. A rheostat differs from potentiometer in the respect that it