1
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A direct current of 6 A is superimposed on an alternating current I = 10 sin $$\omega$$t flowing through a wire. The effective value of the resulting current will be

A
5$$\sqrt2$$
B
5$$\sqrt3$$
C
9.27
D
8.37
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

Which one of the following graphs represents the variation of electric potential with distance r from the centre of a non-conducting charged sphere of radius R?

A
BITSAT 2022 Physics - Electrostatics Question 1 English Option 1
B
BITSAT 2022 Physics - Electrostatics Question 1 English Option 2
C
BITSAT 2022 Physics - Electrostatics Question 1 English Option 3
D
BITSAT 2022 Physics - Electrostatics Question 1 English Option 4
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

For an insulator, the forbidden energy gap is

A
Zero
B
1eV
C
2eV
D
5eV
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A machine gun fires 300 bullets per min if the mass of each bullet is 10 g and the velocity of the bullets is 600 ms$$-$$1, the power (in kW) of the gun is

A
43200
B
9
C
72
D
7.2
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