Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. 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 25.4. 31.4. 54.2. 20. 25.4. 31.4. 54.2. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Inch Meter Centimeter Kilometer Inch Meter Centimeter Kilometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 2 V 1 V 0.5 V 1.5 V 2 V 1 V 0.5 V 1.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Air friction None of the listed here Eaddy current Fluid friction Air friction None of the listed here Eaddy current Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Current transformers Potential transformers All of the listed here Shunt Current transformers Potential transformers All of the listed here Shunt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS