Brad sets up an electrical circuit as shown in the figure. He connects points P and Q of the circuit with four different rods made of four different materials - glass, wood, copper, and asbestos. The bulb in the circuit will not light up when points P and Q are connected with
A
Glass rod
B
Wood rod
C
Copper rod
D
Asbestos rod
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BEIITIANS-ELECTRICITY -IIT JEE Worksheet V. Matrix Matching
