Advertisements
Advertisements
प्रश्न
Consider the following combinations of resistors:
The combinations having equivalent resistance 1 Q is/are ______.
विकल्प
I and IV
Only IV
I and II
I, II and III
उत्तर
The combinations having equivalent resistance 1 Q is/are I and II.
APPEARS IN
संबंधित प्रश्न
Complete the following :-
(a)
Find the expression for resistors connected in series.
Write any two characteristics of a series combination of resistors.
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
State the order of resistivity of (i) a metal, (ii) a semiconductor and (iii) an insulator.
What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
Bends in a rubber pipe reduce the flow of water through it. How would the bands in a wire affect its electric resistance?
The voltage applied to a given rheostat is made four times its initial value. By what factor will be resistance of the rheostat change?
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.
Two wires of the same length and area made of two materials of resistivity ρ1 and ρ2 are connected in series to a source of potential V. The equivalent resistivity for the same area is: