Physics
Two 220 volt, 100 watt bulbs are connected first in series and then in parallel. Each time the combination is connected to a 220 volt a.c.supply line. The power drawn by the combination in each case respectively will be
17
Aug
Two 220 volt, 100 watt bulbs are connected first in series and then in parallel. Each time the combination is connected to a 220 volt a.c.supply line. The power drawn by the combination in each case respectively will be An electric kettle has two heating coils. When one of the coils is connected to an [...]
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Chapter 20 - Electric Field and Potential
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NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
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Physics
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An electric kettle has two heating coils. When one of the coils is connected to an a.c. source ,
the time taken by the same quantity of water to boil will be ,
the water in the kettle boils in 10 minutes. When the other coil is used the water boils in 40 minutes.If both the coils are connected in parallel ,
Two 220 volt ,
An electric kettle has two heating coils. When one of the coils is connected to an a.c. source, the water in the kettle boils in 10 minutes. When the other coil is used the water boils in 40 minutes.If both the coils are connected in parallel, the time taken by the same quantity of water to boil will be
17
Aug
An electric kettle has two heating coils. When one of the coils is connected to an a.c. source, the water in the kettle boils in 10 minutes. When the other coil is used the water boils in 40 minutes.If both the coils are connected in parallel, the time taken by the same quantity of water [...]
Posted in:
Chapter 20 - Electric Field and Potential
,
NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
,
Physics
,
Tags:
An electric kettle has two heating coils. When one of the coils is connected to an a.c. source ,
the time taken by the same quantity of water to boil will be ,
the water in the kettle boils in 10 minutes. When the other coil is used the water boils in 40 minutes.If both the coils are connected in parallel ,
Two bulbs 25 W, 220 V and 100 W, 220 V are given. Which has higher resistance ?
17
Aug
Two bulbs 25 W, 220 V and 100 W, 220 V are given. Which has higher resistance ? 220 V and 100 W 220 V are given. Which has higher resistance ? Two bulbs 25 W August 17, 2020 Category: Chapter 20 - Electric Field and Potential , NEET Last 32 Years Solved 1988 - [...]
A 5 degree rise in temperature is observed in a conductor by passing some current. When the current is doubled then the rise in temperature will be
17
Aug
A 5 degree rise in temperature is observed in a conductor by passing some current. When the current is doubled then the rise in temperature will be A 5 degree rise in temperature is observed in a conductor by passing some current. When the current is doubled then the rise in temperature will be August [...]
A 100 W 200 V bulb is connected to a 160 V power supply. The power consumption would be
17
Aug
A 100 W 200 V bulb is connected to a 160 V power supply. The power consumption would be A 100 W 200 V bulb is connected to a 160 V power supply. The power consumption would be August 17, 2020 Category: Chapter 20 - Electric Field and Potential , NEET Last 32 Years Solved [...]
A heating coil is labelled 100 W, 220 V, the coil is cut in half and two pieces are joined in parallel to the same source. the energy now liberated per second is
17
Aug
A heating coil is labelled 100 W, 220 V, the coil is cut in half and two pieces are joined in parallel to the same source. the energy now liberated per second is 220 V A heating coil is labelled 100 W the coil is cut in half and two pieces are joined in parallel [...]
A battery of emf 10 V and internal resistance of 0.5 ohm is connected across a variable resistance R. The value of R for maximum power transfer is given by
17
Aug
A battery of emf 10 V and internal resistance of 0.5 ohm is connected across a variable resistance R. The value of R for maximum power transfer is given by A battery of emf 10 V and internal resistance of 0.5 ohm is connected across a variable resistance R. The value of R for maximum [...]
Faraday’s laws are consequence of conservation of
17
Aug
Faraday’s laws are consequence of conservation of Faraday's laws are consequence of conservation of August 17, 2020 Category: Chapter 20 - Electric Field and Potential , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A current of 2A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is –
17
Aug
A current of 2A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is – A current of 2A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is - August 17, 2020 Category: Chapter 20 - Electric Field and Potential [...]
40 electric bulb are connected in series across a 220V supply. After one bulb is fused the remaining 39 are connected again in series across the same supply. The illumination will be
17
Aug
40 electric bulb are connected in series across a 220V supply. After one bulb is fused the remaining 39 are connected again in series across the same supply. The illumination will be 40 electric bulb are connected in series across a 220V supply. After one bulb is fused the remaining 39 are connected again in [...]