SSC JE 2019-20 Technical Quiz 72

Determine the time-period (in msec) of a sinusoidal wave when the frequency of the wave is 60 Hz.

Which of the following is the unit of frequency of an AC signal?

Which one of the following is the CORRECT relation between the peak value and RMS value of current for a sine wave?

Determine the average value of alternating voltage (in V) when the peak value of the voltage is 120 V.

What will be the capacitance (in mF) of a circuit when the circuit is supplied with a 50 Hz frequency and the capacitive reactance of the circuit is 40 ohms?

Determine the total power (in kW) consumed by a 3-phase delta connected system supplied by a line voltage of 240 V when the value of phase current is 20 A and the current lags the voltage by 60 degree.

What will be the transient time (in seconds) of a series RC circuit when the v.ie of the capacitance is 600 microfarad and the value of the resistance is 20 kilo-Ohms?

Determine the root means square value (in V) of the voltage waveform given in the figure below.

What will be the produced mml (in Amp-turns) in a coil, if the coil has 160 turns and carries a current of 0.15 A?

Which of the following expression satisfies the Faraday’s law of electromagnetic induction?