MHT CET 2021 21th September Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

The equation of simple harmonic wave produced in the string under tension $$0.4 \mathrm{~N}$$ is given by $$\mathrm{y=4 \sin (3 x+60 t) ~m}$$. The mass per unit length of the string is

$$10^{-3} \mathrm{~kg} \mathrm{~m}^{-1}$$

$$10^{-5} \mathrm{~kg} \mathrm{~m}^{-1}$$

$$10^{-3} \mathrm{~g} \mathrm{~cm}^{-1}$$

$$10^{-5} \mathrm{~g} \mathrm{~cm}^{-1}$$

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

A condenser of capacity '$$\mathrm{C}_1$$' is charged to potential '$$\mathrm{V}_1$$' and then disconnected. Uncharged capacitor of capacity '$$\mathrm{C}_2$$' is connected in parallel with '$$\mathrm{C}_1$$'. The resultant potential '$$\mathrm{V}_2$$' is

$$\frac{V_1 C_2}{C_1}$$

$$\frac{\mathrm{C}_2}{\mathrm{C}_1+\mathrm{C}_2}$$

$$\frac{C_1 V_1}{C_2}$$

$$\frac{C_1 V_1}{C_1+C_2}$$

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

-0

In a step up transformer, which one of the following statements is correct?

Number of turns in the secondary coil is less than in primary coil.

Voltage in secondary coil is less than voltage is primary coil.

Current in the primary coil is more than current in the secondary coil.

Current in the primary coil is equal to current in the secondary coil.