Question
Select the option that expresses the given sentence in
active voice. By how many people were you helped in your time of difficulty?ÂSolution
In the active voice, "how many people" becomes the subject performing the action. The verb "helped" is in the past tense.
Which law states that the current through a conductor is directly proportional to the voltage across it? Â
A copper block of mass 3 kg is heated in a furnace to a temperature of 450°C and then placed on a large ice block. Find the maximum amount of ice that...
A body is thrown vertically upward. The work done by gravity is:Â
A wire loop in the shape of a square of side a carries a current I. If an infinitely long straight wire carrying the same current passes through the ce...
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
In AC circuits, AC meters measure –
In MRI machine, which one of the following is used?
Magnetic susceptibility of a diamagnetic material is:
A transistor works as an amplifier only when:
Which of the following does not affect the value of acceleration due to gravity?