A source Vs = 200 cos t delivers power to a load at power factor 0.8 l – McqOptions

MCQOPTIONS

1.	A source V_s = 200 cos t delivers power to a load at power factor 0.8 lagging. The reactive power is 300 VAR. The P_av is given by
A.	200 watts
B.	225 watts
C.	400 watts
D.	300 watts
Answer» D. 300 watts

Discussion

No Comment Found

Related MCQs

In the circuit shown below, the values of i(0<sup>+</sup>) and i( ), will be respectively
For a two-port network the three parameters A, B and C are given by <br>A = x1, B = x2, C = 1 x2 <br>then D is equal to under the network to be reciprocal
For the figure given below which of these sets of E, R and C value will ensure that the state equation dV<sub>c</sub> / dt = 1.25 V<sub>C</sub> + 2 is valid
Given T.F. H (s) = s + 2 / s<sub>2</sub> + s + 4, under steady state condition, the sinusoidal input and output are respectively <br>x (t) = cos 2t <br>y (t) = cos (2t + ), then angle of will be
Extra element present in the given circuit
The Laplace transform of a function f(t) u(t), where f (t) is periodic with period T, is A(s) times the L.T. of its first period. Then
The resonant frequency of the circuit
In the figure the transformer is ideal with adjustable turns ratio N<sub>2</sub> / N<sub>1</sub> . The turns ratio N<sub>2</sub> / N<sub>1</sub> for maximum power transfer to the load is
A single phase transformer is connected as shown in fig. when a voltage of 100 V (rms) was applied across AB, the voltmeter connected across AC measured 100 V (rms). The turns ratio N<sub>1</sub>: N<sub>2</sub> is
Find the value of R so that V<sub>2</sub> = 2 volt