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1
JEE Main 2021 (Online) 27th July Evening Shift
Numerical
+4
-1
For the circuit shown, the value of current at time t = 3.2 s will be _________ A.

JEE Main 2021 (Online) 27th July Evening Shift Physics - Current Electricity Question 99 English
[Voltage distribution V(t) is shown by Fig. (1) and the circuit is shown in Fig. (2)]
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2
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance 'R' that must be put in series with the bulb so that the bulb delivers the same power is _____________ $$\Omega$$.
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3
JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
In an electric circuit, a cell of certain emf provides a potential difference of 1.25 V across a load resistance of 5$$\Omega$$. However, it provides a potential difference of 1 V across a load resistance of 2$$\Omega$$. The emf of the cell is given by $${x \over {10}}V$$. Then the value of x is ______________.
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4
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
In the given figure switches S1 and S2 are in open condition. The resistance across ab when the switches S1 and S2 are closed is _____________ $$\Omega$$.

JEE Main 2021 (Online) 20th July Evening Shift Physics - Current Electricity Question 107 English
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