SSC JE Electrical Engineering 27th Jan 2018 Shift-2
For the following questions answer them individually
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 141
Wien’s bridge is used to measure ________.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 142
Ammeter and voltmeter are connected across the load in _______ and _______ respectively.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 143
The deflection sensitivity of the CRO is 10 m/V. What is the value of deflection factor (in V/m)?
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 144
The current required for full scale deflection of a voltmeter is 10 mA. Find the sensitivity (in ohms/V) of the voltmeter.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 145
Calculate the fastest rise time (in ms) a sine wave can have to be reproduced by a CRO, if the bandwidth ranges from 0 Hz to 10 Hz.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 146
Which of the following is NOT the correct representation of the balanced condition of AC bridges?
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 147
A 10 mA meter having an internal resistance of 100 Ohms is to be converted to 0-200 mA ammeter. What value of shunt resistance (in ohms) is required?
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 148
A 3 phase - 110 V motor has a power factor of 0.5. The two wattmeters connected measure the total input of 50 kW. Calculate the reading (in kW) of each wattmeter.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 149
The inductance of a moving iron instrument is $$ (10 + 6 \theta) \mu H $$, where $$ \theta $$ deflection in radian from zero position. Assuming spring constant $$ k = 10 \times 10^-6 Nm/rad, $$ the deflection (in rad) for a current of 6 A is __________.
SSC JE Electrical Engineering 27th Jan 2018 Shift-2 - Question 150
What will happen to the operating torque of moving iron instrument, if current through the operating coil is halved?
