Chapter 3 – Current Electricity
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Four resistances each of value 4Ω, are connected as shown in figure. The equivalent resistance between points A and B is?
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Dec
Four resistances each of value 4Ω, are connected as shown in figure. The equivalent resistance between points A and B is? are connected as shown in figure. The equivalent resistance between points A and B is? Four resistances each of value 4Ω December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - [...]
In the given circuit, the equivalent resistance between points M and N is:
02
Dec
In the given circuit, the equivalent resistance between points M and N is: In the given circuit The equivalent resistance between points M and N is: December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
The equivalent resistance between points M and N is:
02
Dec
The equivalent resistance between points M and N is: The equivalent resistance between points M and N is: December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
The ratio of the lengths, densities, masses and resistivities of two wires A and B are 1:2,1:2,1:1,1:4 respectively. The ratio of their resistances are:
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Dec
The ratio of the lengths, densities, masses and resistivities of two wires A and B are 1:2,1:2,1:1,1:4 respectively. The ratio of their resistances are: -12 1:4 respectively. The ratio of their resistances are: 11 densities masses and resistivities of two wires A and B are 1:2 The ratio of the lengths December 2, 2020 Category: [...]
A wire of resistance 4 Ω is stretched to twice its original length. What is the resistance of the wire now ?
02
Dec
A wire of resistance 4 Ω is stretched to twice its original length. What is the resistance of the wire now ? A wire of resistance 4 Ω is stretched to twice its original length. What is the resistance of the wire now ? December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]
If R1 be the resistance of the shown conductor between faces ABCD and EFGH and R2 between faces BCGF and ADHE, R2/R1 will be?
02
Dec
If R1 be the resistance of the shown conductor between faces ABCD and EFGH and R2 between faces BCGF and ADHE, R2/R1 will be? If R1 be the resistance of the shown conductor between faces ABCD and EFGH and R2 between faces BCGF and ADHE R2/R1 will be? December 2, 2020 Category: Arihant Physics by [...]
A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is :
02
Dec
A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is : A wire with a resistance 20Ω is drawn out so that its length become thrice its original length. The new resistance is : December 2, 2020 Category: Arihant Physics by D.C Pandey [...]
A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V storage battery. The resistivity of nichrome is
02
Dec
A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V storage battery. The resistivity of nichrome is A nichrome wire 50 cm long and one square millimetre cross- section carries a current of 4 A when connected to a 2 V [...]
Two square metal plates (A) and (B) are of the same thickness and material. The side of (B) is twice that of (A). These are connected as shown in series. If the resistances of (A) and (B) are denoted by (RA) and (RB), then (RA/RB ) is?
02
Dec
Two square metal plates (A) and (B) are of the same thickness and material. The side of (B) is twice that of (A). These are connected as shown in series. If the resistances of (A) and (B) are denoted by (RA) and (RB), then (RA/RB ) is? A solid cylinder whose radius is R rotates [...]
The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to.
02
Dec
The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to. The V−i graph for a conductor at temperatures T1 and T2 are as shown in the figure. (T2−T1) is proportional to. December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - [...]