Advertisements
Advertisements
प्रश्न
State how are the two resistors joined with a battery when same current flows in each resistor.
Advertisements
उत्तर
Series
APPEARS IN
संबंधित प्रश्न
The substance having infinitely high electrical resistance is called:
(a) conductor
(b) resistor
(c) superconductor
(d) insulator
How does the presence of impurities in a metal affect its resistance?
The diagram below shows part of a circuit:
If this arrangement of three resistors was to be replaced by a single resistor, its resistance should be:
(a) 9 Ω
(b) 4 Ω
(c) 6 Ω
(d) 18 Ω
State the order of resistivity of (i) a metal, (ii) a semiconductor and (iii) an insulator.
How will you oonnect five resistors, each of the value one ohm, to obtain an equivalent resistance of 0.2 `Omega`
How does the resistivity of a semiconductor depend on temperature?
Write an expression for calculating electrical power in terms of current and resistance.
Illustrate-combination of cells e.g., three cells, in series, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
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?
