If the instrument is to have a wide range, the instrument should have Exponential scale Linear scale Square-law scale Logarithmic scale 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 All right None of these Faulty Short-circuited TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1 MΩ/volt 10 MΩ/volt 1000 Ω/volt TRUE ANSWER : ? YOUR ANSWER : ?
Basically potential meter is a device for Measuring a voltage Comparing two voltages Measuring a current Comparing two currents TRUE ANSWER : ? YOUR ANSWER : ?
The high torque to weight ratio in an analog indicating instrument indicates high friction loss. none of these. nothing related to friction loss. low friction loss. TRUE ANSWER : ? YOUR ANSWER : ?
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 Nm. 100 Nm. 200 Nm. 1 Nm. TRUE ANSWER : ? YOUR ANSWER : ?
What is the name of physical quantities which are independent of each other? Fundamental quantity Numerical quantity None of these Derived quantity TRUE ANSWER : ? YOUR ANSWER : ?
A DC potentiometer is the best means available for the measurement of DC voltage because It is possible to standardize before a measurement is undertaken. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. None of above. TRUE ANSWER : ? YOUR ANSWER : ?
A PMMC instrument can be used as flux meter By eliminating the control springs By making control springs of large moment of inertia By using a low resistance shunt By using a high series resistance TRUE ANSWER : ? YOUR ANSWER : ?