Please explain your answer so I can understand the concept. Refer to Figure 1 an

Question

Please explain your answer so I can understand the concept.

Refer to Figure 1 and equation (6) and underline your answer in the following question:

The AC voltage across the load resistor R will be a maximum when the angle theta is

(a) 90 deg (b) 45 deg (c) 0 deg

Please explain your answer so I can understand the concept. Refer to Figure 1 and equation (6) and underline your answer in the following question: The AC voltage across the load resistor R will be a maximum when the angle theta is (a) 90 deg (b) 45 deg (c) 0 deg In the absence of a device (called a commutator) to convert its output voltage from AC to DC, the voltage across the load resistor R in Figure 1 varies with time according to

Explanation / Answer

as V is defined in terms of Cos thetha

V is maximum when Cos theta is maximum

and

Cos theta is maximum when theta = 0 deg

so answer is option C

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