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

On increasing the temperature, the resistance of copper and germanium respectively

3 volt × 4 coulom b =

If Q is the heat energy, determine the nature of the reaction in the following equation :

Pick the correct answer from the following two statements
(a) Kirchhoff's junction law is based on the conservation of charge.
(b) Kirchhoff's loop law is based on the conservation of energy. 

Two resistors of Ω 3 and Ω 2 are connected in series and a potential difference of 5 V is applied across them. The potential difference across Ω2 resistor is

Resistance of a wire of length 0.5 m and area of cross-section 10 mm 2 is 1 Ω. The resistivity (in Ω-m) of the wire is

The area of current-time graph gives

The electric power (in kWh) consumed in operating a 60 W bulb for 3 hours a day in a month of 30 days is

Of the two bulbs in a house, one glows brighter than the other. Which of the two has larger resistance?

Ohm's law is applicable to

The quantity which has the unit ampere-second is

Four resistors each of 22 are connected in the form of four sides of a parallelogram. The equivalent resistance between any two opposite corners is

If i₁ and i₂ are the angles of incidence and emergence respectively and A is the angle of prism, then the angle of deviation is given by

The formation of the rainbow is due to the dispersion of sunlight by the

Electric fuse is used in household circuits for the purpose of

A bulb is marked 100 W and 240 V. The resistance of the bulb is

Which among the following pairs represents optically transparent and opaque media?

The part of the human eye which helps the eye lens to change its focal length, is

The power of a lens is 2:5 D. Its focal length is

Bifocal lenses used to correct the defect of vision are called

In case of myopic defect, the image is formed

If R₁ and R2 are the radii of curvature, n is the refractive index and f is the focal length, then the lens maker's formula is given by

Pick the correct answer from the following two statements :
(a) In VIBGYOR, wavelength increases from violet to red.
(b) In VIBGYOR, refractive index increases from violet to red. 

When we sit at a camp fire, objects beyond the fire are seen swaying. The principle involved in it is

A convex lens gives a virtual image when the object is placed on the principal axis