Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Name the material which is used for making the heating element of an electric iron.
Give the law of combination of resistances in series.
Calculate the combined resistance in each case:
A p.d. of 4 V is applied to two resistors of 6 Ω and 2 Ω connected in series. Calculate:
(a) the combined resistance
(b) the current flowing
(c) the p.d. across the 6 Ω resistor
What is (a) highest, and (b)Ω lowest, resistance which can be obtained by combining four resistors having the following resistances?
4 Ω, 8 Ω, 12 Ω, 24 Ω
You are supplied with a number of 100 Ω resistors. How could you combine some of these resistors to make a 250 Ω resistor?
State the order of resistivity of (i) a metal, (ii) a semiconductor and (iii) an insulator.
In series combination of resistances ______.
A given metallic wire of resistance R is doubled on itself. What will be its new resistance?
