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

Physics - Experimental Skills

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


7.
The SI unit of capacitance is:
A.
Ohm
B.
Farad
C.
Henry
D.
Ampere
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ANSWER :
B. Farad
8.
The characteristic color of an LED depends on:
A.
The applied voltage
B.
The material used
C.
The resistance connected
D.
The ambient temperature
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ANSWER :
B. The material used
9.
The polarity of a capacitor is important in:
A.
Both ceramic and electrolytic capacitors
B.
Only ceramic capacitors
C.
Only electrolytic capacitors
D.
Neither type of capacitor
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ANSWER :
C. Only electrolytic capacitors
10.
A capacitor allows which type of current to pass?
A.
AC only
B.
DC only
C.
Both AC and DC
D.
Neither AC nor DC
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ANSWER :
A. AC only
11.
A resistor with red, red, brown bands has a resistance of:
A.
22Ω
B.
220Ω
C.
2.2kΩ
D.
220kΩ
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ANSWER :
B. 220Ω
12.
The forward voltage drop of a silicon diode is approximately:
A.
0.1V
B.
0.3V
C.
0.7V
D.
1.2V
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ANSWER :
C. 0.7V