Solve the numerical problems:
In the diagrams below, silicon solar cells with dimensions `1 cm^2` are connected. Find the potential difference and electric current?

Solve the numerical problem For a concave mirror, object distance, u = -6 cm with magnification, M = 4 and h_(1) = 1 cm. Find the image distance, nature and size of the image.

Solve the numerical problem When an object is kept at 6 cm in front of a concave mirror, its image is obtained at 24 cm behind the mirror. Find the focal length and radius of curvature of the mirror.

Solve the numerical problem For a concave mirror, with f= -3 cm , object distance u = -10 cm and the height of the object h_(1) = 2 cm. Find the position, size and nature of the image.

Solve the numerical problem An object is placed at 50 cm from a concave mirror of radius of curvature 60 cm. Find the image distance. What is the nature of the image?

Question based on paragraph : Amol was performing an experiment with a simple electric circuit . He connected an electric bulb , a plug key and a cell using connecting wires as shown in the circuit diagram given below : Answer the following questions based on the above electrical circuit : Give direction of electric current , when it flows through the circuit .

Solve the numerical problem An object of height 5 cm is kept at 80 cm in front of a convex mirror of focal length 40 cm. Find the position of the image, the nature of the image and the magnification produced by the mirror.

If a sillicon solar cell of dimension 1 cm^(2) generates current of about 30 mA and potential difference of about 0.5 V. Find the current and potential difference generated by a sillicon solar cell of dimension 1000 cm^(2) .

Solve the following examples/ numerical problems. Two tungsten bulbs of power of 50 w and 60 w work on 220 v potential difference . If they are connected in parallel, how much current will flow in the main conductor?

If 90 W bulb is connected to a circuit with potential difference of 360 V,find the current flowing through the bulb?