For the following questions answer them individually
A 35 V dc supply is connected across a resistance of 600 ohm in series with an unknown resistance R. A voltmeter having a resistance of 1.2 k Ω is connected across 600 ohm resistances and reads 5 V. The value of resistance R shall be:
A three phase slip ring induction motor is fed from the rotor side with stator winding short circuited stator is:
In the circuit given below, the value of R required for the transfer of maximum power to the load having a resistance of 3 Ω will be?
In the following given circuit what will be the value of current i in the 5Ω resistor?
From source $$Vs = 200 \cos \omega t$$, a load draws current Im = 2.5 at power factor 0.6 lagging. The load impedance is:
Two capacitor C1 and C2 have $$C1 = 20 \mu F$$ and $$C2 = 30 \mu F$$, are connected in parallel across a 100V source. The net capacitance of the circuit is?
Power-factor of industrial arc and induction furnace is:
A 100 mA meter has accuracy of $$\pm 2\%$$. Its accuracy while reading 50 mA will be:
A series inductor is normally added in a thyrister circuit for achieving protection against:
Clamp on ammeter is used for measurement of: