Basic Electrical Mcqs

Q.  One newton meter is same as_____________?

a. one watt
b. one joule
c. five joules
d. one joule second


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  In a 3 phase VSI SPWM to use a single carrier signal and preserve the features of PWM technique, the normalized carrier frequency should be____________?
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MCQs:  For commutation in three phase PAC, normally balanced three phase voltages VR, VY and VB are connected to the three legs of the converter via______________?
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MCQs:  If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered_____________?
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MCQs:  The ability of an electronic system to function properly in its intended electromagnetic environment and should not be a source of pollution to that electromagnetic environment is known as____________?
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MCQs:  The opposite of susceptibility is___________?
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MCQs:  The output current in PWM DC – DC converters is equal to___________?
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MCQs:  A step – down choppers can be used in___________?
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MCQs:  In a lossless inverter, the average power absorbed in one period by the load must be__________?
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MCQs:  The ac voltage controller can be used for ___________?
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MCQs:  In a full bridge VSI, in order to avoid the short circuit across the DC bus and the undefined AC output voltage condition, the modulating technique should ensure that___________?
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MCQs:  The phase angle of gate signal in TRIAC can be shifted by using_____________?
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MCQs:  In the SPWM, the modulating signal is___________?
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MCQs:  A TRIAC can be turned on with______________?
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MCQs:  The transfer function of PWM is generally developed in______________?
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MCQs:  DIAC and TRIAC both are semiconductors devices and conduct in____________________?
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MCQs:  The Graetz bridge makes excellent use of ______________?
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MCQs:  In constant frequency PWM, at perturbation the amplitude of the sinusoidal component is a___________?
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MCQs:  If the firing angle becomes negative, then the rectifier begins to work as_______________?
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MCQs:  In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?
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MCQs:  Transformer utilization factor is a measure of the merit of a rectifier circuit. It is the ratio of_______________?
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