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
Different Measuring Instruments
question_answer
For the post office box arrangement to determine the value of unknown resistance the unknown resistance should be connected between [IIT-JEE (Screening) 2004]
A) B and C
B) C and D
C) A and D
D) B1 and C1
Correct Answer:
C
Solution :
Post office box is based on the principle of Wheatstone's bridge