Arihant Physics by D.C Pandey
A flashlight cell with an emf. 1.5 volt gives 15 ampere current when connected to an ammeter of resistance 0.04Ω. The internal resistance of the cell in ohm is :
02
Dec
A flashlight cell with an emf. 1.5 volt gives 15 ampere current when connected to an ammeter of resistance 0.04Ω. The internal resistance of the cell in ohm is : A flashlight cell with an emf. 1.5 volt gives 15 ampere current when connected to an ammeter of resistance 0.04Ω. The internal resistance of the [...]
There are 45 number of cells with internal resistance of each cell is 0.5Ω. To get the maximum current through a resistance of 2.5Ω, one can use m rows of cells, each row having n cells. The values of m and n are?
02
Dec
There are 45 number of cells with internal resistance of each cell is 0.5Ω. To get the maximum current through a resistance of 2.5Ω, one can use m rows of cells, each row having n cells. The values of m and n are? each row having n cells. The values of m and n are? [...]
The potential difference between the points A and B is :
02
Dec
The potential difference between the points A and B is : The potential difference between the points A and B is : December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
In the given circuit, the electromotive force of equivalent cell between points M and N is
02
Dec
In the given circuit, the electromotive force of equivalent cell between points M and N is In the given circuit the electromotive force of equivalent cell between points M and N is December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) and length(l). If the specific resistance of nickel and copper be kn and kc , the conductance of nickelled wire is?
02
Dec
A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) and length(l). If the specific resistance of nickel and copper be kn and kc , the conductance of nickelled wire is? A copper wire of length (l) and radius(r) is nickel plated till its final radius is (R) [...]
A five pointed regular star made from a uniform wire is shown in the figure. The resistance of the section BN is?(Given: sin18^o = 0.31)
02
Dec
A five pointed regular star made from a uniform wire is shown in the figure. The resistance of the section BN is?(Given: sin18^o = 0.31) A five pointed regular star made from a uniform wire is shown in the figure. The resistance of the section BN is?(Given: sin18^o = 0.31) December 2, 2020 Category: Arihant [...]
Two equilateral triangles ABC, DEF have same centroid. The ratio of sides are 4:2. The resistance per unit length in contact. The resistance in AB is 10Ω. The equivalent resistance between A and B is?
02
Dec
Two equilateral triangles ABC, DEF have same centroid. The ratio of sides are 4:2. The resistance per unit length in contact. The resistance in AB is 10Ω. The equivalent resistance between A and B is? DEF have same centroid. The ratio of sides are 4:2. The resistance per unit length in contact. The resistance in [...]
Seven resistors, each of value 5 Ω are connected as shown in figure. The equivalent resistance between points A and B is:
02
Dec
Seven resistors, each of value 5 Ω are connected as shown in figure. The equivalent resistance between points A and B is: each of value 5 Ω are connected as shown in figure. The equivalent resistance between points A and B is: Seven resistors December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter [...]
In the figure, galvanometer reads zero. The resistance X is:
02
Dec
In the figure, galvanometer reads zero. The resistance X is: galvanometer reads zero. The resistance X is: In the figure December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity , Volume 2 ,
In the network shown in the adjoining figure, each resistance is 1Ω. The effective resistance between A and B is?
02
Dec
In the network shown in the adjoining figure, each resistance is 1Ω. The effective resistance between A and B is? each resistance is 1Ω. The effective resistance between A and B is? In the network shown in the adjoining figure December 2, 2020 Category: Arihant Physics by D.C Pandey , Chapter 3 - Current Electricity [...]