MHT CET 2020 19th October Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

An AC circuit contains resistance of $12 \Omega$ and inductive reactance $5 \Omega$. The phase angle between current and potential difference will be

$\sin ^{-1}\left(\frac{12}{13}\right)$

$\cos ^{-1}\left(\frac{5}{12}\right)$

$\sin ^{-1}\left(\frac{5}{12}\right)$

$\cos ^{-1}\left(\frac{12}{13}\right)$

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

In an intrinsic semiconductor, at an ordinary temperature, the correct relation between the number of electrons per unit volume $n_e$ and number of holes per unit volume $n_h$.

$n_e=n_n$

$n_e>n_n$

$n_e< n_h$

$n_e=n_h=0$

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

By increasing the aperture of the objective lens, wavelength of light, focal length of the objective lens and the resolving power of an astronomical telescope respectively

is not affected, increases, increases

decreases, increases, is not affected

increases, decreases, is not affected

is not affected, increases, decreases

MHT CET 2020 19th October Evening Shift

MCQ (Single Correct Answer)

-0

Two galvanometers $A$ and $B$ require currents of 4 mA and 7 mA , respectively to produce the same deflection of 20 divisions. If $S_A$ and $S_B$ are their sensitivities respectively, then

$S_A< S_B$

$S_A>S_B$

$S_B=\frac{7}{4}=S_A$

$S_A=S_B=\frac{4}{7}$

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