Identification of Diode, LED, Resistor, A Capacitor from a Mixed Collection of such items NEET Questions

Identification of Diode, LED, Resistor, A Capacitor from a Mixed Collection of such items MCQ Questions

1.
A resistor can be identified by:
A.
Two terminals with color bands
B.
A metallic casing
C.
A transparent body
D.
A glowing effect
ANSWER :
A. Two terminals with color bands
2.
A diode symbol consists of:
A.
Two parallel lines
B.
A triangle pointing towards a line
C.
A circle with a plus sign
D.
A zigzag line
ANSWER :
B. A triangle pointing towards a line
3.
The main function of a capacitor is to:
A.
Store charge
B.
Resist current
C.
Amplify signal
D.
Convert AC to DC
ANSWER :
A. Store charge
4.
An LED is different from a normal diode because:
A.
It allows bidirectional current
B.
It emits light when forward biased
C.
It operates in reverse bias
D.
It has infinite resistance
ANSWER :
B. It emits light when forward biased
5.
The anode of a diode is identified as:
A.
The shorter lead
B.
The side with a silver band
C.
The longer lead
D.
The middle terminal
ANSWER :
C. The longer lead
6.
A resistor is primarily used to:
A.
Control voltage
B.
Store energy
C.
Emit light
D.
Act as a switch
ANSWER :
A. Control voltage