1
JEE Main 2020 (Online) 6th September Evening Slot
Numerical
+4
-0
Out of Syllabus
The output characteristics of a transistor is shown in the figure.
When VCE is 10V and IC = 4.0 mA, then value of $$\beta $$ac is __________. JEE Main 2020 (Online) 6th September Evening Slot Physics - Semiconductor Question 109 English
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2
JEE Main 2020 (Online) 6th September Evening Slot
Numerical
+4
-0
In a series LR circuit, power of 400W is dissipated from a source of 250 V, 50 Hz. The power factor of the circuit is 0.8. In order to bring the power factor to unity, a capacitor of value C is added in series to the L and R. Taking the value of C as $$\left( {{n \over {3\pi }}} \right)$$ $$\mu $$F, then value of n is __________.
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3
JEE Main 2020 (Online) 6th September Evening Slot
Numerical
+4
-0
Out of Syllabus
An engine operates by taking a monoatomic ideal gas through the cycle shown in the figure. The percentage efficiency of the engine is close to __________. JEE Main 2020 (Online) 6th September Evening Slot Physics - Heat and Thermodynamics Question 206 English
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