Answer:
Wire Q has greater resistance.
Explanation:
Given : Two wires P and Q.
To find : greater resistance?
Solution :t he resistance of a wire is inversely proportional to the area of the cross-section.
Resistance of wire is calculated by R=p(l/A), where p is resistivity constant, l is the length of the conductor and A is the area of conductor
The higher the resistance of the wire smaller is the area of the wire.
Wire P has an area of cross-section A, while wire Q has an area of cross-section as A/2 hence the wire Q has higher resistance than wire P.
Therefore Q has greater resistance.
Out of the two wires P and Q shown below, which one has greater resistance? Justify it. Answer: Smaller the area of cross-section, greater will be resistance as ( length are same).
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Verified answer
Answer:
Wire Q has greater resistance.
Explanation:
Given : Two wires P and Q.
To find : greater resistance?
Solution :t he resistance of a wire is inversely proportional to the area of the cross-section.
Resistance of wire is calculated by R=p(l/A), where p is resistivity constant, l is the length of the conductor and A is the area of conductor
The higher the resistance of the wire smaller is the area of the wire.
Wire P has an area of cross-section A, while wire Q has an area of cross-section as A/2 hence the wire Q has higher resistance than wire P.
Therefore Q has greater resistance.
Explanation:
Out of the two wires P and Q shown below, which one has greater resistance? Justify it. Answer: Smaller the area of cross-section, greater will be resistance as ( length are same).