Chapter 22 – Current Electricity
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In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω, then effective resistance of bridge will be
16
Aug
In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω, then effective resistance of bridge will be In a Wheatstone bridge resistance of each of the four sides is 10 Ω. If the resistance of the galvanometer is also 10 Ω [...]
n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance ?
16
Aug
n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance ? n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance ? August 16, 2020 Category: Chapter [...]
In the network shown in figure each resistance is 1Ω . The effective resistance between A and B is
16
Aug
In the network shown in figure each resistance is 1Ω . The effective resistance between A and B is In the network shown in figure each resistance is 1Ω . The effective resistance between A and B is August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - [...]
Three resistances each of 4 Ω are connected to from a triangle. The resistance between any two terminals is
16
Aug
Three resistances each of 4 Ω are connected to from a triangle. The resistance between any two terminals is Three resistances each of 4 Ω are connected to from a triangle. The resistance between any two terminals is August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - [...]
What will be the equivalent resistance of circuit shown in figure between two points A and D ?
16
Aug
What will be the equivalent resistance of circuit shown in figure between two points A and D ? What will be the equivalent resistance of circuit shown in figure between two points A and D ? August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - 2019 Physics [...]
The velocity of charge carriers of current (about 1A) in a metal under normal conditions is of the order of
16
Aug
The velocity of charge carriers of current (about 1A) in a metal under normal conditions is of the order of The velocity of charge carriers of current (about 1A) in a metal under normal conditions is of the order of August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved [...]
Kirchhoff’s first law of electricity follows
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Aug
Kirchhoff’s first law of electricity follows Kirchhoff's first law of electricity follows August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
If the resistance of a conductor is 5 Ω at 50°C and 7 Ω at 100°C, then the mean temperature coefficient of resistance ( of material ) is .
16
Aug
If the resistance of a conductor is 5 Ω at 50°C and 7 Ω at 100°C, then the mean temperature coefficient of resistance ( of material ) is . If the resistance of a conductor is 5 Ω at 50°C and 7 Ω at 100°C then the mean temperature coefficient of resistance ( of material [...]
If a negligibly small current is passed through wire of length 15m and of resistance 5Ω having uniform cross-section of 6×10-7 m2, then coefficient of resistivity of material, is
16
Aug
If a negligibly small current is passed through wire of length 15m and of resistance 5Ω having uniform cross-section of 6×10-7 m2, then coefficient of resistivity of material, is If a negligibly small current is passed through wire of length 15m and of resistance 5Ω having uniform cross-section of 6×10-7 m2 is then coefficient of [...]
Kirchhoff’s first law, i.e. Σi=0 at a junction, deals with the conservation of
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Aug
Kirchhoff’s first law, i.e. Σi=0 at a junction, deals with the conservation of deals with the conservation of i.e. Σi=0 at a junction Kirchhoff's first law August 16, 2020 Category: Chapter 22 - Current Electricity , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,