Current Electricity and Electrical InstrumentHard
Question
If the position of an ideal voltmeter and the ideal ammeter are inter changed in a D.C. circuit, then
Options
A.The voltmeter reads the e.m.f. of the source and the ammeter reading is zero
B.The voltmeter reads the e.m.f. of the source and the ammeter shows of maximum current.
C.The voltmeter reading is zero and the ammeter reading is also zero
D.Voltmeter reading is zero and the ammeter current is infinite.s
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
Consider four circuits shown in the figure below. In which circuit power dissipated is greater (Neglect the internal res...Two similar cells are connected first in series and then in parallel, the ratio of balancing length on the potentiometer...Two filaments of same length are connected first in series then in parallel. For the same amount of main current flowing...In the following circuit, the resistance of a voltmeter is 10,000 Ω and that of an ammeter is 20 Ω . If the re...A wheatstone bridge is initially at room temperature and all arms of the bridge have same value of resistances $\left( R...