1
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
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What will be the current flowing through the 6k$$\Omega $$ resistor in the circuit shown, where the breakdown voltage of the Zener is 6V?

WB JEE 2018 Physics - Electronic Devices Question 11 English
A
$${2 \over 3}mA$$
B
1 mA
C
10 mA
D
$${3 \over 2}mA$$
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
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WB JEE 2017 Physics - Electronic Devices Question 9 English
In the given circuit, the binary inputs at A and B are both 1 in one case and both 0 in the next case. The respective outputs at Y in these two cases will be
A
1, 1
B
0, 0
C
0, 1
D
1, 0
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
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When a semiconducting device is connected in series with a battery and a resistance, a current is found to flow in the circuit. If however, the polarity of the battery is reversed, practically no current flows in the circuit. The device may be
A
a p-type semiconductor
B
a n-type semiconductor
C
an intrinsic semiconductor
D
a p-n junction
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