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Ex. 30. An0:05:33

Ex. 30. An insulated soap bubble of 10 cm radius is charged with 5×10-⁹C. Find the increase in ....

Ex. 31. The0:03:06

Ex. 31. The air pressure is same inside and outside a charged soap bubble of radius 1 cm. If the...

Ex. 29. If0:19:08

Ex. 29. If the radius and surface tension of a spherical soap bubble be 'r' and 'T' respectively...

Ex. 28. A0:05:40

Ex. 28. A sphere of diameter 10 cm is charged to a potential of 1000 V. Calculate the outward pull..

Ex. 27. Calculate0:02:37

Ex. 27. Calculate the electric flux through the faces of a cube of side 1m, if a charge of 4.425C...

Ex. 26. The0:01:35

Ex. 26. The electric field in a certain region of space is given by 5i+ 4j+3k Calculate the...

Ex. 25. Calculate0:14:01

Ex. 25. Calculate the electric field intensity due to a spherical charge distribution given by...

Ex. 24. In0:06:32

Ex. 24. In a region of space there exists an electrostatic field in x-direction. Prove that the ...

#44 Energy associated0:09:37

#44 Energy associated with an electric field

#43 Increase in0:13:14

#43 Increase in radius of bubble

#42 Dilation of0:17:12

#42 Dilation of a charged soap bubble

#41 Force on0:22:40

#41 Force on the surface of a charged conductor

#7 Distinction between0:05:19

#7 Distinction between the heat capacity and specific heat capacity

#6 Specific heat0:06:08

#6 Specific heat capacity || calorimetry

#5 Thermal (or0:04:53

#5 Thermal (or heat ) capacity || calorimetry

#4 Difference between0:01:46

#4 Difference between heat and temperature

#3 Factors affecting0:11:54

#3 Factors affecting the quantity of heat absorbed to increase the temperature of a body

#2 Concept of0:08:50

#2 Concept of temperature # temperature

#1Concept of heat0:18:00

#1Concept of heat ||chap- 11 Calorimetry || (A) heat capacity, specific heat capacity & measurement

4. The input0:02:43

4. The input and output voltages of a transformer are 220 V and 44 V respectively. Find: (a) the...

3. A transformer0:02:48

3. A transformer is designed to give a supply of 8 V to ring a house-bell from the 240V a.c. mains..

2. The primary0:03:10

2. The primary coil of a transformer has 800 turns and the secondary coil has 8 turns. It is ...

1. The magnetic0:03:09

1. The magnetic flux through a coil having 100 turns decreases from 5 milli weber to zero ...

#29 Transformer ||Electromagnetic0:40:51

#29 Transformer ||Electromagnetic induction