Physics-
General
Easy
Question
The output current versus time curve of a rectifier is shown in the figure. The average value of output current in this case is
- 0
The correct answer is:
Related Questions to study
Physics-
A constant voltage at different frequencies is applied across a capacitance C as shown in the figure. Which of the following graphs
Correctly depicts the variation of current with frequency ?
A constant voltage at different frequencies is applied across a capacitance C as shown in the figure. Which of the following graphs
Correctly depicts the variation of current with frequency ?
Physics-General
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The r.m.s. voltage of the wave form shown is
The r.m.s. voltage of the wave form shown is
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The figure shows variation of R, XL and XC with frequency f in a series L, C, R circuit. Then for what frequency point, the circuit is inductive
The figure shows variation of R, XL and XC with frequency f in a series L, C, R circuit. Then for what frequency point, the circuit is inductive
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The variation of the instantaneous current (I) and the instantaneous emf (E) in a circuit is as shown in fig. Which of the following statements is correct
The variation of the instantaneous current (I) and the instantaneous emf (E) in a circuit is as shown in fig. Which of the following statements is correct
Physics-General
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Is it possible
Is it possible
Physics-General
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In the adjoining figure the impedance of the circuit will be
In the adjoining figure the impedance of the circuit will be
Physics-General
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In the adjoining ac circuit the voltmeter whose reading will be zero at resonance is
In the adjoining ac circuit the voltmeter whose reading will be zero at resonance is
Physics-General
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An ac source of angular frequency 
is fed across a resistor r and a capacitor C in series. The current registered is I. If now the frequency of source is changed to /3 (but maintaining the same voltage), the current in then circuit is found to be halved. Calculate the ratio of reactance to resistance at the original frequency
An ac source of angular frequency is fed across a resistor r and a capacitor C in series. The current registered is I. If now the frequency of source is changed to /3 (but maintaining the same voltage), the current in then circuit is found to be halved. Calculate the ratio of reactance to resistance at the original frequency
Physics-General
Physics-
The reading of ammeter in the circuit shown will be
The reading of ammeter in the circuit shown will be
Physics-General
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In the circuit shown in the figure, the ac source gives a voltage 
Neglecting source resistance, the voltmeter and ammeter reading will be
In the circuit shown in the figure, the ac source gives a voltage Neglecting source resistance, the voltmeter and ammeter reading will be
Physics-General
Physics-
In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, will be
In the circuit shown in figure neglecting source resistance the voltmeter and ammeter reading will respectively, will be
Physics-General
Physics-
The diagram shows a capacitor C and a resistor R connected in series to an ac source. 
and 
are voltmeters and A is an ammeter
Consider now the following statements
I. Readings in A and V2 are always in phase
II. Reading in V1 is ahead in phase with reading in V2
III. Readings in A and V1 are always in phase which of these statements are/is correct
The diagram shows a capacitor C and a resistor R connected in series to an ac source. and are voltmeters and A is an ammeter
Consider now the following statements
I. Readings in A and V2 are always in phase
II. Reading in V1 is ahead in phase with reading in V2
III. Readings in A and V1 are always in phase which of these statements are/is correct
Physics-General
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In the circuit shown below, what will be the readings of the voltmeter and ammeter
In the circuit shown below, what will be the readings of the voltmeter and ammeter
Physics-General
Physics-
In the circuit given below, what will be the reading of the voltmeter
In the circuit given below, what will be the reading of the voltmeter
Physics-General
Physics-
For the series LCR circuit shown in the figure, what is the resonance frequency and the amplitude of the current at the resonating frequency
For the series LCR circuit shown in the figure, what is the resonance frequency and the amplitude of the current at the resonating frequency
Physics-General
