SSC JE Electrical Engineering 22nd Jan 2018 Shift-1
For the following questions answer them individually
Which of the following bridge is most suitable for the measurementof inductanceof a coil?
Determine the required value of series resistance (in Ohms) to convert a galvanometer into a voltmeter of reading 0.4 volt range when the resistance of the galvanometer is 40 ohms and the value of current for full-scale deflection is 4 mA.
What will be the sensitivity (in Ohms/volts) of a PMMC type voltmeter when the full-scale reading of the voltmeter is 240 V, the internal resistance of the voltmeter is 200 kilo-Ohms and theseries resistance connected to the voltmeter is 80 kilo-Ohms?
Determine the value of unknown inductance $$L)x$$, (in mH) and the effective resistance $$R_x$$ (in Ω) of inductor respectively for the circuit given below, ifno current flows through the galvanometer(G).
What will be the value of reactive power (in VAR) ofa circuit having power factor of 0.5, when the apparent powerofthe circuit is 80 VA?
Determine the secondary voltage (in V) of a potential transformer when the value of the system voltage is 11,000 V, the turn’s ratio of the potential transformer is 102 and the percentage voltage error of the transformer is 3 %.
Determine the quality factor for Maxwell's inductance-capacitance bridge given below when the bridge is supplied by a frequency of 50 Hz.
