Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
JEE Main & Advanced
Physics
Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर
Question Bank
Critical Thinking
question_answer
There are three resistance coils of equal resistance. The maximum number of resistances you can obtain by connecting them in any manner you choose, being free to use any number of the coils in any way is [ISM Dhanbad 1994]
A) 3
B) 4
C) 6
D) 5
Correct Answer:
B
Solution :
Maximum number of resistance \[={{2}^{n-1}}={{2}^{3-1}}=4\]