Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic Non conductor but magnetic Non conductor and non magnetic Conductor but magnetic Conductor but non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. The same source as the unknown voltage. A battery. Any of above. A source other than the source of unknown voltage. The same source as the unknown voltage. A battery. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Induction Electrostatic Moving coil or iron Rectifier Induction Electrostatic Moving coil or iron Rectifier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Time invariant signals Both AC and DC signals AC signals DC signals Time invariant signals Both AC and DC signals AC signals DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies High load on the transformer Power frequencies High frequencies Low frequencies High load on the transformer Power frequencies High frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity ANSWER DOWNLOAD EXAMIANS APP