Correct option is B
Sol: the correct answer is (b) current flowing through the conductor
Key Points:
The resistance of a conductor is determined by several factors:
Area of Cross-Section (A): The resistance (RR) of a conductor is inversely proportional to its cross-sectional area. As the area increases, the resistance decreases.
Length (L) of the Conductor: The resistance is directly proportional to the length of the conductor. As the length increases, the resistance increases.
Temperature (T): The resistance of most conductors increases with an increase in temperature due to increased collisions between electrons and atoms.
Material: The type of material (its resistivity) from which the conductor is made also affects its resistance.
Information booster:
the resistance is not directly dependent on the current flowing through the conductor. Instead, the current depends on the applied voltage and the resistance, according to Ohm's Law: