A potential of `400 V` is applied at the point `A`. The value of resistance `R_(1)=1000 Omega`, `R_(2)=2000Omega` and `R_(3)=1000Omega` are connected between points `A` and `G` as shown in the figure. Point `G` is earthed. The measured potential difference by an ideal voltmeter connected across `R_(2)` is

Resistances R_(1) and R_(2) , each 600 Omega , are connected in series as shown in figure-3.382. The potential difference between points A and B is 120 V. Find the reading of voltmeter connected between points C and D ifits resistance is 120 Omega

Three voltmeters A, B and C have the same range but different resistances R_(A) = 1200Omega , R_(B)= 1000Omega and R_(C)=800 Omega. A is connected in parallel to C and B is connected in series with the combination of A and C. When the combination of ABC so formed is connected across a constant potential difference V_(ab_) meter A reads 4.8V and meter B reads 10 volts. What will be the reading of each meter when they are all connected in series across the same potential difference V_(ab) ?

Resistance R_1 and R_2 , each 60 Omega , are connected in series. The points A and B is 120 V . Find the reading of voltmeter connected resistance r=120Omega

Six resistances each of v ale r= 6Omega are connected between points A,B and C as shown in the figure if R_(1),R_(2) and R_(3) are the net resistances between A and B, between B and C and between A and C respectively, the R_(1):R_(2):R_(3) will be equal to

Six resistances each of v ale r= 6Omega are connected between points A,B and C as shown in the figure if R_(1),R_(2) and R_(3) are the net resistances between A and B, between B and C and between A and C respectively, the R_(1):R_(2):R_(3) will be equal to

Point a in the figure shown is maintained at potential of 300 V . The reading of a voltmeter of a resistance 3 × 10^4 Omega , when connected between point b and ground is

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is

An inductor of inductance L = 400 mH and resistors of resistance R_(1) = 2Omega and R_(2) = 2Omega are connected to a battery of emf 12 V as shown in the figure. The internal resistance of the battery is negligible. The switch S is closed at t = 0 . The potential drop across L as a function of time is