Current Electricity and Electrical InstrumentHard
Question
If the reading of ammeter A3 in figure is 0.75 A. Neglecting the resistances of the ammeters, the reading of ammeter A2 will be :


Options
A.1.5 A
B.3 A
C.4.5 A
D.6 A
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
At what temperature will the resistance of a copper wire become three times its value at 0o C [Temperature coefficient o...The emf of a cell is balanced at 52 cm length of the potentiometer wire. If 5 ohm resistance is inserted from the resist...If internal resistance of a cell is proportional to current drawn from the cell. Then the best representation of termina...An inductance L having a resistance R is connected to an alternating source of angular frequency ω . The Qulity factor...Constanton wire is used in making standard resistances, because its :-...