1
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
The probes of a non $$-$$ isolated, two-channel oscilloscope are clipped to points $$A, B, $$ and $$C$$ in the circuit of the adjacent fig. $${V_{in}}$$ is a square wave of a suitable low frequency. The display on $$c{h_1}$$ and $$c{h_2}$$ are as shown on the right. Then the ''signal'' and ''Ground'' probes $${S_1},\,\,{G_1}$$ and $${S_2},\,\,{G_2}$$ of $$c{h_1}$$ and $$c{h_2}$$ respectively are connected to points. GATE EE 2007 Electrical and Electronics Measurement - Cathode Ray Oscilloscope Question 3 English
A
$$A, B, C, A$$
B
$$A, B, C, B$$
C
$$C, B, A, B$$
D
$$B, A, B, C$$
2
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
The time/div and voltage/div axes of an oscilloscope have been erased. A student connects a 1kHz, 5V 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 fig. An unknown signal is connected to channel -2 (lower trace ) of the scope. If the time/div and V/div on both channels are the same, the amplitude (p-p) and period of the unknown signal are respectively. GATE EE 2006 Electrical and Electronics Measurement - Cathode Ray Oscilloscope Question 4 English
A
5V, 1ms
B
5V, 2ms
C
7.5V, 2ms
D
10V, 1ms
3
GATE EE 2002
MCQ (Single Correct Answer)
+1
-0.3
Two in-phase, 50Hz sinusoidal waveform of unit amplitude are fed into channel-1. and channel-2 respectively of an oscilloscope, Assuming that the voltage scale, time scale and other settings are exactly the same for both the channels. What would be observed if the oscilloscope is operated in x-y mode?
A
A circle of unit radius
B
An ellipse
C
A parabola
D
A straight line inclined at 450 with respect to the x-axis
4
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
A certain oscilloscope with 4 c.m by 4 c.m screen has its own sweep output fed to its input. If the x and y sensitivities are same, the oscilloscope will display a.
A
triangular wave
B
diagonal line
C
sine wave
D
circle
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