Advertisements
Advertisements
प्रश्न
What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
Advertisements
उत्तर
Let the required potential difference be V
Given, current I = 1 A and Resistance, R = 5 Ω
AIC to Ohm's law,
V = IR= (1) x (5) = 5 volt
APPEARS IN
संबंधित प्रश्न
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
How does the resistance of a wire change when:
its length is tripled?
V = IRTwo resistances X and Y are connected turn by turn : (i) in parallel, and (ii) series. In which case the resultant resistance will be less than either of the individual resistances?R = R1+ R2+ R3
Name the material of wire used for making standard resistances. Give a reason.
Write an expression for the resistance of a conducting wire in terms of its length and area of cross-section.
State expression for Resistance connected in parallel.
Six equal resistors of 1 ohm each are connected to form the sides of a hexagon ABCDEF. Calculate the resistance offered by the combination if the current enters at A and leaves it at D.
The resistance of two resistors joined in series is 8Ω and in parallel is 1.5Ω. Find the value of the two resistances.
