Q. 15 The time/div and voltage/div axes of an oscilloscope have been erased. A student connects a 1 kHz, 5 V p-p square wave calibration pulse to channel-1 of the scope and observes the screen to be as shown in the upper trace of the figure. An unknown signal is connected to channel-2(lower trace) of the scope. It the time/div and V/div on both channels are the same, the amplitude (p-p) and period of the unknown signal are respectively
(A) 5 V, 1 ms
(B) 5 V, 2 ms
(C) 7.5 V, 2 ms
(D) 10 V, 1 ms
Answer:(C)
Explanation: