Choose the correct circuit which can achieve the bridge balance.
![NEET 2024 Physics - Current Electricity Question 4 English Option 1](https://app-content.cdn.examgoal.net/fly/@width/image/1lvuy1dw0/0ff56088-a20e-4ca6-83ff-273017fcd3c0/f31d9900-0ba4-11ef-b8b2-9951766e03bc/file-1lvuy1dw1.png?format=png)
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If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its original length, then the new time period of oscillation is $$\frac{x}{2}$$ times its original time period. Then the value of $$x$$ is:
The minimum energy required to launch a satellite of mass $$m$$ from the surface of earth of mass $$M$$ and radius $$R$$ in a circular orbit at an altitude of $$2 R$$ from the surface of the earth is:
A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to:
A. hold the sheet there if it is magnetic.
B. hold the sheet there if it is non-magnetic.
C. move the sheet away from the pole with uniform velocity if it is conducting.
D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.
Choose the correct statement(s) from the options given below: