Current Electricity and Electrical InstrumentMedium
Question
In which one of the following arrangements of resistors does the ammeter M, which has a resistance of, give the largest reading when the same potential difference is applied between points P and R ?
Options
A.

B.

C.

D.

Solution
Let VPQ = E
For (A) : I =
For (B) : I =
For (C) : I =
For (D) : I =
For (A) : I =
For (B) : I =
For (C) : I =
For (D) : I =
Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In the circuit shown the resistance of voltmeter is 10.000 ohm and that of ammeter 20 ohm. The ammeter reading is 0.10 A...By error, a student places moving - coil voltmeter V (nearly ideal) in series with the resistance in a circuit in order ...Four identical bulbs each rated 100 watt, 220 volts are connected across a battery as shown. The total electric power co...A galvanometer coil has a resistance 90W and full scale deflection correct 10mA. A 910W resistance is connected in serie...Calculate current from battery just after switch is closed (t → 0) :-...