Question

two resistors of resistance 2 ohm and 4 ohm. when connected to a battery will have
a) some current flowing through them connected in parallel.
b) same current flowing through them when connected in series.
c) same potential difference across them when connected in parallel

Answer 1

Answer:

c

Explanation:

because the potential difference will same between two points in the circuit

Answer 2

Answer:

b) same current flowing through them when connected in series.

Explanation:

The voltage (potential difference) between each resistor when two resistors are linked in parallel is the same, but the current flowing through each resistor differs. The equivalent resistance is equal to the reciprocal of the sum of the reciprocals of the individual resistances, and the total current is equal to the sum of the individual currents.

The resistors here have resistance values of 2 ohm and 4 ohm, respectively. The two resistors linked in parallel have an equivalent resistance of 1/(1/2 + 1/4) = 1.33 ohm. As a result, there will be a difference in the current passing between the two resistors.

The total voltage (potential difference) between two resistors when they are connected in series is equal to the sum of the voltages across each resistor, and the same current flows through both resistors. The total of the individual resistances makes up the equivalent resistance.

In this instance, the two resistors connected in series have a combined resistance of 2 + 4 = 6 ohm. Therefore, when connected in series, the same current will pass through both resistors.

Therefore, the answer is (b) same current flowing through them when connected in series.

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