Electricity
Quick practice
Question 1 of 5
The length of a wire is halved, but its cross-section remains the same, then the resistance becomes:
एक तार की लंबाई आधी हो जाती है, लेकिन अनुप्रस्थ-काट का क्षेत्रफल समान रहता है, तो प्रतिरोध होगा
A
8 times
8 गुणा
B
1/2 times
1/2 गुणा
C
4 times
4 गुणा
D
2 times
2 गुणा
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