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0:02:06

An electric heater of resistance 8 Ω draws 15 A from the service mains 2 hours Calculate the rate|

0:02:40

Which uses more energy a 250 W TV set in 1 hr or a 1200 W toaster in 10 minutes| ncert class 10|

0:02:17

Two lamps one rated 100 W at 220 V and the other 60 W at 220 V are connected in parallel to| X CBSE|

0:03:22

Compare the power used in the 2 Ω resistor in each of the following circuits| 6 V battery in series

0:04:14

A hot plate of an electric oven connected to a 220 V line has two resistance coils|cbse electricity|

0:03:53

Several electric bulbs designed to be used on a 220 V electric supply line are rated 10W|ELECTRICITY

0:03:11

Show how you would connect three resistors, each of resistance 6 Ω| CBSE class 10 Electricity|

0:02:07

How many 176 Ω resistors (in parallel) are required to carry 5A on a 220V line|Electricity class 10|

0:02:04

A battery of 9 V is connected in series with resistors of 0.2 Ohm 0.3 Ohm 0.4 Ohm|Electricity|classX

0:01:29

When a 12 V battery is connected across an unknown resistor, there is a current of 2.5|Electricity X

0:02:32

The values of current I flowing in a given resistor for the correspond|Ncert |class 10|electricity

0:05:54

A copper wire has a diameter of 0.5 mm and resistivity of 1.6 × 10-8 Ohm m|10 cbse electricity|Ex 6|

0:03:50

Two conducting wires of the same material and of equal lengths and equal diameters|Electricity|Ex 4

0:02:27

An electric bulb is rated 220V and 100W. When it is operated on 110V, what|10 cbse|Electricity| Ex 3

0:02:33

Which of the following terms does not represent electrical power|10 cbse| Electricity |Page no 221

0:02:55

A piece of wire of resistance R is cut into five equal parts| Electricity | X CBSE|Page no 221|Ex 4|

0:27:55

light reflection and refraction class 10 CBSE science physics | full summary |important questions |

0:01:35

During experiment a signal from a spaceship reached the ground station in 5 minutes| IX CBSE |MOTION

0:04:06

A piece of wire of resistance R is cut into five equal parts these parts | 10 CBSE Electricity |PHY

0:02:10

An electric motor takes 5 A from a 220 V line.Determine the power of the | Electricity 10 CBSE PHY

0:03:29

A machine gun fires bullet of mass 40g with a velocity 1200 m/s the man holding it| cbse | physics |

0:06:07

The defective eye of a person has near point 0.5m and point 3m|X CBSE | HUMAN EYE & COLOURFUL WORLD|

0:01:52

Calculate the number of electrons constituting one coulomb of charge | X CBSE | ELECTRICITY |

0:01:46

In 10 sec a charge of 25 c leaves a battery and 200 j of energy are delivered| X CBSE| ELECTRICITY|