The peak value of alternating current is 5√2 A. The mean square value of current will be:
Question # 3
Electro magnetic waves emitted from radio antenna are.
Question # 4
In frequency modulation, the amplitude of carrier waves is
Question # 5
100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
Question # 6
In metal detector, we use.
Question # 7
At high frequency, the current through a capacitor is
Question # 8
In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
Question # 9
The electromagnetic spectrum contains
Question # 10
In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
Question # 11
An A.C. voltmeter reads 220 V, its peak value will be
Question # 12
In A.C circuit of inductor which one is true
Question # 13
The combined effect of resistance and reactance is knows as.
Question # 14
The main reason for world wide use of A.C is because:
Question # 15
Average value of current and voltage over a complete cycle is.
Question # 16
An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
Question # 17
The slope of q-t curve at any instant of time gives.
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