SSC JE 2019-20 Technical Quiz 48

Forced draft fan handling which type of air

Who invented the alternating current?

In electric resistance welding

The output of Tungsten filament lamp depends on

The flux density B in a core having relative permeability µ_r and l length l meters when I amperes of current flows in its N-turn winding is

How much time (in sec) will be taken by 40 C of charge to pass through a point in a circuit, if a current of 8 A flows through it?

At 20 degree Celsius, aluminum wire has a resistance of 30 ohms. The temperature coefficient of resistance is 0.00305 per degree Celsius. What is the approximate resistance of the wire (in ohms) at 30 degree Celsius?

There are N resistances, each are connected in parallel having value R with equivalent resistance of X. What will be the total resistance when these N resistances are connected in series?

Why are same types of cells connected in parallel?

Which of the following is equivalent to 0.5 kWh?