SSC JE 2017: Electrical Measurement Rankers Quiz 1

Appliances based on heating effect of current work on

Electric supply is rated at 220 V. In a house, 11 bulbs of power rating 100 W each are used. The rating of the fuse should be

The power of a heater is 500 W at What will be its power at Temperature coefficient of resistance is

Three bulbs B₁, B₂ and B₃ are connected to the mains as shown in figure. If B₃ is disconnected from the circuit by opening switch S, then incandescence of bulb B₁ will

A 20 200 mV meter movement is used to make a 25 V voltmeter. What is the sensitivity of the meter?

A galvanometer has a resistance of G ohms. It is shunted by a resistance of S ohms. How much resistance should be added so that the main current remains unchanged?

If the full-scale current of a meter is then its sensitivity is