The Req for the circuit shown in figure is
Length of the cable is doubled, its capacitance C will be
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Swamping resistance is used to compensate
Unit of deflection sensitivity of a CRO is
Relative permittivity can be measured by
A three phase 440V, 6 pole, 50Hz squirrel cage induction motor is running at a slip of 5%.The speed of stator magnetic field with respect to rotor magnetic field and speed of rotor w.r.t.stator magnetic field are
Oxide film arrester has which of the following properties ?
What is the name of the fluorescent material that gives red colour fluorescence ?
The B-H curve for.......will be straight line passing through the origin.
The essential condition for parallel operation of two D.C. generators is that they have
Plug setting of a relay can be altered by varying
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400:5, then plug settingmultiplier will be
In a D-connected source feeding a Yconnected load
Which of the following loads normally needs starting torque more than rated torque ?
Which of the following transistor configuration circuit is much less temperature dependent ?
The collector characteristics of a common emitter connected thyristor may be used to findits
A zener voltage regulator has load requirement of 12V and 2A. The zener diode minimumcurrent requirement is 0.2A. The minimum voltage at input is 24V. What is the seriesresistance with source required ?
A constant load power means a uniform conversion of
To tune a parallel resonant circuit to a higher frequency, the capacitance should be
The effect of inserting a resistance in series with the field winding of a shunt motor is to
When using ohmmeter, applied voltage is to be disconnected from the circuit because
For the circuit shown in fig-ure, the voltage across the capacitor during steady statecondition is
For high accuracy the meter has
Semi conductor diode time constant is equal to
Consider the circuit in the below figure. What is the power delivered by the 24V source ?
For a given torque, reducing the diverterresistance of a d.c. series motor
A 20 kVA, 2000/200 V, 1-f transformer has name plate leakage impedance of 8%. Voltagerequired to be applied on the high voltage side to circulate full load current with the low voltagewinding short-circuited will be
A 100 km long transmission line is loaded at 110 kV. If the loss of line is 15 MW and theload is 150 MVA, the resistance of the line is