1
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
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The current voltage relation of diode is given by $${\rm I} = \left( {{e^{100V/T}} - 1} \right)mA,$$ where the applied voltage $$V$$ is in volts and the temperature $$T$$ is in degree kelvin. If a student makes an error measuring $$ \pm 0.01\,V$$ while measuring the current of $$5$$ $$mA$$ at $$300$$ $$K,$$ what will be the error in the value of current on $$mA$$?
A
$$0.2$$ $$mA$$
B
$$0.02$$ $$mA$$
C
$$0.5$$ $$mA$$
D
$$0.05$$ $$mA$$
2
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The forward biased diode connection is:
A
JEE Main 2014 (Offline) Physics - Semiconductor Question 169 English Option 1
B
JEE Main 2014 (Offline) Physics - Semiconductor Question 169 English Option 2
C
JEE Main 2014 (Offline) Physics - Semiconductor Question 169 English Option 3
D
JEE Main 2014 (Offline) Physics - Semiconductor Question 169 English Option 4
3
JEE Main 2013 (Offline)
MCQ (Single Correct Answer)
+4
-1
A diode detector is used to detect an amplitude modulated wave of $$60\% $$ modulation by using a condenser of capacity $$250$$ picofarad in parallel with a load resistance $$100$$ kilo $$ohm.$$ Find the maximum modulated frequency which could be detected by it. JEE Main 2013 (Offline) Physics - Semiconductor Question 186 English
A
$$10.62$$ $$MHz$$
B
$$10.62$$ $$kHz$$
C
$$5.31$$ $$MHz$$
D
$$5.31$$ $$kHz$$
4
JEE Main 2013 (Offline)
MCQ (Single Correct Answer)
+4
-1
The $${\rm I}$$-$$V$$ characteristic of an $$LED$$ is
A
JEE Main 2013 (Offline) Physics - Semiconductor Question 172 English Option 1
B
JEE Main 2013 (Offline) Physics - Semiconductor Question 172 English Option 2
C
JEE Main 2013 (Offline) Physics - Semiconductor Question 172 English Option 3
D
JEE Main 2013 (Offline) Physics - Semiconductor Question 172 English Option 4
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