Rajkamal Sir (Engineers Platform) 📚📚

5. In two wattmeter method of measurment of three-phase power of a balanced load, if both the wattmeters indicate the same reading, then the power factor of the load is [SSC JE EE 2010]

4. In a balanced 3-phase system, the current coil of a wattmeter is inserted in line 1 and the potential coil across 2 and 3. If the wattmeter reads 100 W, the reactive power drawn by the 3-phase load is

3. In phantom loading arrangement, energy consumption in the calibration test of wattmeter is reduced because of

2. In the measurement of power in a balanced 3 – phase circuit of two-wattmeter method if the two wattmeters show equal readings, then the power factor of the circuit is

1. The household energy meter is

5. Which instrument is used to measure the high resistance?

4. The AC bridge used for measurement of dielectric loss of capacitor is [SSC JE EE 2014]

3. Which of the following is a frequency sensitive bridge? [SSC JE EE 2018]

2. A mega ohmmeter reading of zero or low ohms is indicated between the stator winding and motor frame. The winding is……………. [SSC JE EE 2017]

1. When a Wheatstone bridge is balanced, the galvanometer reads………….[SSC JE EE 2017]