In an a.c circuit that contains only a capacitor, the vol...
In an a.c circuit that contains only a capacitor, the voltage lags behind the current by
180°
90°
60°
30°
Correct answer is B
In a purely capacity circuit, voltage lags behind current by 90°, or current leads voltage by 90°
Find the tension T1 in the diagram above if the system is in equilibrium [G = 10ms-2]...
The component of vector X along the direction of vector Y is zero when ...
A cell can supply currents of 0.60 A and 0.30 A through a 2.0 ω and a 5.0 ω resistor res...
A copper wire was subjected to a tensile stress of 7.7 x 10^7. calculate strain of the wire. [y...