SSC JE 2019-20 Technical Quiz 89

Two equal resistances are connected in series across a certain supply. If the resistances are now connected in parallel, the power produced will become

If the area of cross-section is reduced to half of its original value, then what will happen to the flux density?

The graph shown below represents the B-H curve for __________.

Determine the value of maximum power (in W) transferred from the source to the load in the circuit given below.

The working principle of transformer depends on

For a balance three phase circuit, two wattmeters are connected to measure the input power. The reading of two wattmeter is 2000 W and 535.98 W respectively. Determine the power factor of the circuit.

In Flash-butt welding

The magnitude of the induced emf in the primary winding, will be____________ but opposite to the applied voltage.

A 400kW, 3-phase, 440V, 50Hz induction motor has a speed of 950 r.p.m. on full load. The machine has 6 poles. The slip of the machine will be _______________.

The armature winding is connected to the external power source through a