MHT CET 2024 11th May Evening Shift | MHT CET Year Wise Previous Years Questions

A particle ' $A$ ' has charge ' $+q$ ' and a particle ' $B$ ' has charge ' $+4 q$ '. Each has same mass ' $m$ '. When they are allowed to fall from rest through the same potential, the ratio of their speeds will become (particle A to particle B)

$2: 1$

$1: 2$

$1: 4$

$4: 1$

MHT CET 2024 11th May Evening Shift

MCQ (Single Correct Answer)

-0

When 100 V d.c. is applied across a solenoid, a current of 1 A flows in it. When 100 a.c. is applied across it, the current drops to 0.5 A. If the frequency is 50 Hz , the impedance and inductance is

$200 \Omega, \sqrt{3} / \pi \mathrm{H}$

$100 \Omega, \sqrt{3} \mathrm{H}$

$200 \Omega, 1 \mathrm{H}$

$100 \Omega, 1 \mathrm{H}$

MHT CET 2024 11th May Evening Shift

MCQ (Single Correct Answer)

-0

When n-p-n junction transistor is used as an amplifier in common emitter mode,

the input impedance is high and the output impedance is low.

the base emitter junction is reverse biased.

input signal is applied between the base and emitter and output is obtained between collector and emitter.

the input voltage and output voltage are in phase.