Oscilloscopes(Electrical Measurement And Instrumentation ) Questions and answers for exam Preparation

Question 1. After hold off time, the time base generator is activated immediately.

True
False
May be True or False
Can't say

Explanation:-

Answer: Option B. -> False
Answer: (b).False

Question 2. Sweep rate is controlled by a _________

capacitor
resistor
diode
inductor

Explanation:-

Answer: Option A. -> capacitor
Answer: (a).capacitor

Question 3. How many, time base generators are provided to a CRO?

2
4
6
8

Explanation:-

Answer: Option A. -> 2
Answer: (a).2

Question 4. A time base should have _________

non-linearity
ramp relationship
linearity
unit step relationship

Explanation:-

Answer: Option C. -> linearity
Answer: (c).linearity

Question 5. The horizontal amplifier in a CRO can be expanded by _________

5 times
15 times
30 times
10 times

Explanation:-

Answer: Option D. -> 10 times
Answer: (d).10 times

Question 6. Two methods are used to generate independent traces.

True
False
May be True or False
Can't say

Explanation:-

Answer: Option A. -> True
Answer: (a).True

Question 7. Electronic switch is controlled by ____________

D flip-flop
SR flip-flop
T flip-flop
JK flip-flop

Explanation:-

Answer: Option C. -> T flip-flop
Answer: (c).T flip-flop

Question 8. After pre-amplification the signals are fed into ____________

an electronic switch
a signal generator
a rectifier
a regulator

Explanation:-

Answer: Option A. -> an electronic switch
Answer: (a).an electronic switch

Question 9. How many vertical inputs exist in a dual trace oscilloscope?

8
6
4
2

Explanation:-

Answer: Option D. -> 2
Answer: (d).2

Question 10. X-Y mode means ____________

2 modes
vertical and horizontal
x axis and y axis
ground and full line supply

Explanation:-

Answer: Option B. -> vertical and horizontal
Answer: (b).vertical and horizontal