1
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In potentiometer experiment, null point is obtained at a particular point for a cell on potentiometer wire '$$\mathrm{x}$$' cm long. If length of potentiometer wire is increased by few centimeter without changing the cell, the balancing length will [Driving source is not changed]

A
will net change.
B
increase
C
decrease
D
become zero
2
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A hollow charged metal sphere has radius 'R'. If the potential difference between its surface and a point at a distance '5 R' from the centre is $$\mathrm{V}$$, then magnitude of electric field Intensity at a distance '5R' from the centre of sphere is

A
$$\frac{V}{2 R}$$
B
$$\frac{\mathrm{V}}{20 \mathrm{R}}$$
C
$$10 \mathrm{VR}$$
D
$$20 \mathrm{VR}$$
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The relation between magnetic moment 'M' of revolving electron and principle quantum number 'n' is

A
$$\mathrm{M} \propto \frac{1}{n}$$
B
$$M \propto n$$
C
$$M \propto n^2$$
D
$$M \propto \mathrm{n}^3$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12