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

What will be the acceleration due to gravity at a depth d, where g is acceleration due to gravity on the surface of earth?

A
$${g \over {{{\left[ {1 + {d \over R}} \right]}^2}}}$$
B
$$g\left[ {1 - {{2d} \over R}} \right]$$
C
$${g \over {{{\left[ {1 - {d \over R}} \right]}^2}}}$$
D
$$g\left[ {1 - {d \over R}} \right]$$
2
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
3
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
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

For an insulator, the forbidden energy gap is

A
Zero
B
1eV
C
2eV
D
5eV
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