SSC JE Electrical Engineering 2013
Instructions
For the following questions answer them individually
Question 172
The instantaneous power of a 1-phase series circuit supplying R-L load from a sinusoidal voltage source has in each cycle.
Question 174
In an ac circuit, V = (200 + j 40) V and I = (30 - j 10) A. The active and reactive power of the circuit are respectively
Question 176
The voltage (v) vs current (i) curve of the circuit is shown below :
Internal resistance of the source e is
Question 177
Value of the load impedance $$\overline{Z}_L$$ for which the load consumes maximum power is
Question 178
The speed - torque characteristics of a DC series motor operating from a constant voltage supply is
Question 180
Three equal impedances are first connected in delta across a 3-phase balanced supply. If the same impedances are connected in star across the same supply
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