The operation of a thermocouple is based on? Mark as favorite Copy Link Seebeck effect Peltier effect Thomson effect Faraday's laws Check Answer
Holding current in PNPN diode is the? Mark as favorite Copy Link gate current required to keep the device ON minimum current to keep the, SCR ON current at breakover point minimum current to keep the device OFF Check Answer
Most SCRs can be turned off by voltage reversal during negative half cycle of the A.C. supply for? Mark as favorite Copy Link all frequencies frequencies upto 200 Hz frequencies upto 30 kHz none of the above Check Answer
A voltmeter must have very high internal resistance so that? Mark as favorite Copy Link Accuracy is high Resolution is high Draws small amount of current Creates high loading effect circuit Check Answer
Errors which may be variable both in magnitude and nature (positive or negative) are classified as …………. error? Mark as favorite Copy Link Hysteresis Random Interaction Systematic Check Answer
The use of …….. instruments is merely confined within laboratories instruments. as standardizing? Mark as favorite Copy Link Absolute Indicating Recording Integrating Check Answer
The error committed by a person in measurement are? Mark as favorite Copy Link gross errors random errors instrumental errors environmental errors Check Answer
Measure the inductance (L) having high value, which bridge can be used? Mark as favorite Copy Link Maxwell bridge Maxwell Wein bridge Wheatstone bridge Hay's Bridge Check Answer
Name the bridge used for measuring low resistance? Mark as favorite Copy Link Maxwell's bridge method Kelvin's double bridge method Potentiometer method Wheatestone bridge method Check Answer
What is name of the device used to the Presence of an electric current? Mark as favorite Copy Link Electrometer Galvanometer Voltmeter Coulammeter Check Answer