Advertisements
Advertisements
प्रश्न
उत्तर
A/c toOhm's law
R = `"V"/"I"`
Here V = 0.1 volt and I = 2 A
R = `0.1/2` = 0.05Ω
APPEARS IN
संबंधित प्रश्न
Complete the following :-
(a)
A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio `"R"/"R'"` is ______.
Why is the series arrangement not used for domestic circuits?
Name the following substances:
(i) Showing low resistivity,
(ii) Showing very high resistivity,
(iii) Showing moderate resistivity.
To increase the effective resistance in a circuit, the resistors are connected in _______________ .
Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.
You are provided with three resistors of resistance 1.0 Ω, 2.0 Ω and 3.0 Ω How would you connect them to obtain the total effective resistance 1.5 Ω? Draw diagram of the arrangement and check it by calculations.
What is the equivalent resistance between the points X and Y for the given network?
The resistance of the hot filament of the bulb is about 10 times the cold resistance. What will be the resistance of 100 W-220 V lamps, when not in use?