In a portable instrument , the controlling torque is provided by Eddy currents Gravity Spring All of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
A mulliammeter can be used as Wattmeter Voltmeter and ammeter Ohmmeter Frequency meter TRUE ANSWER : ? YOUR ANSWER : ?
The best type of meter moment is ______ moment. Dynamometer None of the listed here D'Arsonval Iron- vane TRUE ANSWER : ? YOUR ANSWER : ?
If the instrument is to have a wide range, the instrument should have Square-law scale Exponential scale Linear scale Logarithmic scale TRUE ANSWER : ? YOUR ANSWER : ?
The household energymeter is An indicating instrument An integrating instrument A recording instrument None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1.5% 2% 1% 2.5% TRUE ANSWER : ? YOUR ANSWER : ?
A null type instrument as compared to a deflected type instrument has a lower sensitivity. a faster response. All of these a higher accuracy. TRUE ANSWER : ? YOUR ANSWER : ?
Comparison methods are used because they are expensive. because they are most simple. because they take least time in measurement. when a high accuracy of measurement is required. TRUE ANSWER : ? YOUR ANSWER : ?
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is None of these Short-circuited All right Faulty TRUE ANSWER : ? YOUR ANSWER : ?