List of top Physics Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

If 25 cm each is the object and image distances due to convex lens, then its focal length is

An increase in magnetic flux through a coil of 100 turns in 0.1 s is 0.001 Wb. The maximum induced EMF generated in the coil is

If △Φ and △t are the change in magnetic flux and time respectively, then the induced EMF is

The phenomenon of electromagnetic induction involves the process of

40 g of water at 40°C is added to 10 g of water at 80°C. The final temperature of the mixture is 40°C

The C.G.S. unit of heat energy is

The stars appear twinkling. The principle involved in it is

For a normal human-eye, 2.5 cm is the distance between

Pick the correct answer from the following two statements :

1. Ohm's law is applicable to semiconductors.
2. Ohm's law is applicable to metallic conductors.

A freely suspended needle of a magnetic compass comes to rest along the geographic

An auto driver started an auto rickshaw with the help of pulling a rope. The device used by him to convert mechanical energy into electrical energy is

Faraday's laws of electromagnetic induction is a consequence of

The magnetic force acting on a moving charge in a magnetic field is the product of three quantities namely

Which of the following is not a measuring function of a multimeter?

Two currents 3 mA and 5 mA are flowing towards the junction in a circuit and three currents 1 mA, 1.5 mA and x are flowing away. The value of x (in mA) is

1 tesla =

If R is the resistance of a conductor of length l, then

The relationship between current and voltage is established by the scientist

In old age, the value of least distance of distinct vision shifts to

The electrical energy (in kWh) consumed in operating a bulb of 40 W for 5 hours a day in a month of 30 days is

6 watt × second =

Three resistors each of 4 Ω, 0.4 Ω and 0.04 Ω are connected in series combination. Their equivalent resistance is

Electric power is the product of current and

The power of a lens of focal length 20 cm is

Blue colour of the sky is due to the scattering of light by the atmospheric molecules of