Applied Physics Solved MCQs

1. : As the body rolls down, its gravitational energy changes to:
(A) Rotational kinetic energy
(B) Rotational potential energy
(C) Linear kinetic energy
(D) Linear potential energy

2. : The magnitude of displacement from the initial position to final position is the:
(A) Straight line
(B) Curved line
(C) Circle
(D) Total distance

3. : Which one of the following force is a non-conservative force:
(A) Gravitational force
(B) Electric force
(C) Elastic spring force
(D) Frictional force

4. : In cathode ray oscilloscope, spots are formed on screen having:
(A) Anode
(B) Cathode
(C) Grid
(D) Matrix

5. : In a transistor, emitter current is:
(A) Slightly more than collector
(B) Slightly less than collector
(C) Equal to the collector
(D) Equal to base current

6. : Shark can detect potential difference of its prey up to sensitivity of:
(A) Micro volt
(B) Mega volt
(C) Pico volt
(D) Nano volt

7. : Magnetic field outside a solenoid is:
(A) Zero
(B) Strong
(C) Infinite
(D) Negligible

8. : Two inputs A and B of NAND gate have 0 output, if:
(A) A is 0
(B) B is 0
(C) Both are zero
(D) Both are 1

9. : Device that is used to store charge, is named as:
(A) Capacitor
(B) Resistor
(C) Transistor
(D) Diode

10. : In order to increase a range of ammeter, value of shunt resistance Rs is:
(A) Increased
(B) Decreased
(C) Remain
(D) Both A and B

11. : Diode characteristic curve is a plot between:
(A) Current and time
(B) Voltage and time
(C) Voltage and current
(D) Both A and B

12. : Electric charge enclosed by Gaussian surface is:
(A) 0
(B) 1
(C) Min
(D) Max