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संबंधित प्रश्न
In series combination which remains constant?
(a) Voltage
(b) Current
(c) Both current and voltage
(d) Both are variables
How does the resistance of a pure metal change if its temperature decreases?
How does the presence of impurities in a metal affect its resistance?
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 potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
When do you say that the resistors are connected in this way? Draw a circuit diagram.
Six resistances are connected together as shown in the figure. Calculate the equivalent resistance between points A and B.
Two resistors of 4Ω and 6Ω are connected in parallel to a cell to draw 0.5 A current from the cell. Calculate the current in each resistor.
In an electrical circuit, two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be ______.
