Physics

ICSE Class 12

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Download the PDF Sample Papers Free for off line practice and view the Solutions online.

Advertisement

Advertisement

Electrostatic PE of the system:

683 Views

Advertisement

22.
Obtain and expression for equivalent capacitance C, when three capacitors having capacitance C_{1} , C_{2} and C_{3} are connected in series.

525 Views

23.
When a potential difference of 3V is applied between the two ends of a 60 cm long metallic wire, current density in it is found to be 1 x 10 ^{-7} Am ^{2}. Find conductivity of the material of the wire in SI system.

731 Views

24.
In the circuit shown in Figure 4 below, E is a battery of emf 6V and internal resistance 1Ω. Find the reading of the ammeter A, if it has negligible resistance :

500 Views

Advertisement

25.
With the help of a neatly drawn and lebelled diagram, obtain balancing condition of a Wheatstone bridge.

358 Views

27.

Adjecent figure shows a point P near a long conductor XY carrying a current I. MN is a short current carrying conductor, kept at the point P, parallel to the conductor XY.

(i) What is the direction of magnetic flux density ‘B’ at the point P due to the current flowing through XY?

(ii) What is the direction of the force experienced by the conductor MN due to the current flowing through XY?

460 Views

28.
What the four different types of energy losses in a transformer? State how to reduce/ minimize any one of them.

184 Views

Advertisement

29.
A 50μ F capacitor, a 30 Ω resistor and a 0.7 H inductor are connected in series to an ac supply which generates an emf ‘e’ given by e = 300 Sin (200t) Volt. Calculate peak value of the current flowing through the circuit

141 Views

30.
On the basis of Huygen’s wave theory, prove Snell’s law of refraction of light. Draw a neat and lebelled diagram. (Postulates of Huygen’s wave theory not required).

3851 Views

Advertisement

Textbook Solutions | Additional Questions