filmov
tv
A wire of resistance \\(\\mathrm{R}\\) is stretched \\(\\mathrm{n}\\) times its original l....
Показать описание
PW Solutions
Рекомендации по теме
0:02:26
A wire of resistance \\(\\mathrm{R}\\) is stretched \\(\\mathrm{n}\\) times its original l...
0:03:04
A \( 10 \mathrm{~m} \) long wire of resistance \( 15 \mathrm{ohm} \) is connected in serie...
0:02:20
A uniform wire of resistance R is uniformly compressed along its length until its radius becomes ...
0:03:57
When a wire of uniform cross-section \( a \), length \( l \) and resistance \( R \) is bent into...
0:05:05
An Aluminium \( \left(\alpha=4 \times 10^{-3} \mathrm{~K}^{-1}\right) \) resistance \( \mathrm{R...
0:03:02
In a Wheatstone bridge all the four arms have equal resistance \( \mathrm{R} \). If the resistan...
0:03:02
When 5 V potential difference is applied across a wire of length 0.1 m, the drift speed of electrons
0:03:21
Six resistors of each \( 2 \mathrm{ohm} \) are connected as shown in the figure. The resultant r...
0:03:08
When a resistance of \( 2 \mathrm{ohm} \) is placed across a battery the current is \( 1 \...
0:03:55
For a cell terminal potential difference is \( 2.2 \mathrm{~V} \) when circuit is open and reduc...
0:07:11
Ten identical cells connected in series are needed to heat a wire of length one meter and radius...
0:04:51
An infinite sequence of resistance is shown in the figure. The resultant resistance between \( A...
0:01:11
n ' conducting wires of same dimensions but having resistivities 1,2,3, …n are connected in ser...
0:02:27
In the circuit shown the cells A and B have negligible resistances. For V_A=12 V, R_1=500 Ω and ......
0:03:11
A 4 m long wire of resistance `8Omega` is connected in series with a battery of emf 2V
0:01:24
A wire of resistance 18 ohm is bent to form an equilateral triangle. The resistance across any tw...
0:03:35
An infinite sequence of resistances is shown in the figure. The resultant resistance between A an...
0:02:30
In the circuit shown the cells \( A \) and \( B \) have negligible resistances. For \( V_{A}=12 ...
0:09:15
A supply voltage in a room is \( 120 \mathrm{~V} \). The resistance of the lead wire is \( 6 \ma...
0:05:08
Ten identical cells connected in series are needed to heat a wire of length one meter and radius...
0:05:17
The torque required to hold a small circular coil of 10 turns, area \( 1 \mathrm{~mm}^{2} \) and...
0:00:59
A 10 m long wire of resistance 20 Ω is connected in series with a battery of emf 3 V and a resi......
0:07:08
`n` identical calls, each of internal resistance `(r)` are first connected in parallel and then con
0:06:35
An infinite ladder network of resistances is constructed with \( 1 \mathrm{ohm} \) and \( 2 \mat...
0:02:26
0:03:04
0:02:20
0:03:57
0:05:05
0:03:02
0:03:02
0:03:21
0:03:08
0:03:55
0:07:11
0:04:51
0:01:11
0:02:27
0:03:11
0:01:24
0:03:35
0:02:30
0:09:15
0:05:08
0:05:17
0:00:59
0:07:08
0:06:35