Measurement and Instrumentation To increase Q factor of a coil, the wire should be long and thin. thick. long. thin. long and thin. thick. long. thin. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 20. 31.4. 54.2. 25.4. 20. 31.4. 54.2. 25.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Non conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic Non conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Voltmeters Ohmmeters and resistance bridges Ammeters Wattmeters Voltmeters Ohmmeters and resistance bridges Ammeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called probable error relative error absolute error gross error probable error relative error absolute error gross error ANSWER DOWNLOAD EXAMIANS APP
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