Electronics

Q: Electric field strength is defined as :

(a) :  Work done on unit charge
(b) :  Force exerted on unit charge
(c) :  Distance covered by unit charge
(d) :  Power exerted by unit charge
(e) :  None of these
Answer:  Force exerted on unit charge
Explanation:  

Q: In the circuit of comparator used as night switch, the number of potential dividers are

(a) :  Two
(b) :  Three
(c) :  One
(d) :  Four
(e) :  None of these
Answer:  Two
Explanation:  

Q: If a signal is applied at non-inverting (+) input, it appears after amplification at its output terminal with a phase shift of

(a) :  0˚
(b) :  60˚
(c) :  90˚
(d) :  120˚
(e) :  180˚
Answer:  
Explanation:  

Q: LDR means

(a) :  Low degree resonance
(b) :  Light dependent resistance
(c) :  Laser detection rule
(d) :  Limit of depletion region
(e) :  None of these
Answer:  Light dependent resistance
Explanation:  

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