An ammeter is obtained by shunting a 30 Ω galvanometer with a 30Ω resistance. What additional shunt should be connected across it to double the range?

 

An ammeter is obtained by shunting a 30 Ω galvanometer with a 30Ω resistance. What additional shunt should be connected across it to double the range?

when a multiplier is added to an existing voltmeter for extending its range its electromagnetic damping

 

when a multiplier is added to an existing voltmeter for extending its range its electromagnetic damping

The Rotor Input When Rotor Copper Loss In An Induction Motor Is 600W And Slip Is 3% Is

 The Rotor Input When Rotor Copper Loss In An Induction Motor Is 600W And Slip Is 3% Is

A current of i=6+10sin(100πt)+20sin(200πt) is flowing through a series combination of a PMMC and moving iron instrument. Ratio of the two currents as registered by the m.i and Pmmc metre

 

A current of i=6+10sin(100πt)+20sin(200πt) is flowing through a series combination of a PMMC and moving iron instrument. Ratio of the two currents as registered by the m.i and Pmmc metre

An AC meter of resistance Rm and reactance Xm has been connected in series with a resistance Rs. A shunt of impedance (Rsh + jXsh ) is applied in parallel to the existing combination of meter and Rs. The current division across the two branches will be independent of frequency when

 An AC meter of resistance Rm and reactance Xm has been connected in series with a resistance Rs. A shunt of impedance (Rsh + jXsh ) is applied in parallel to the existing combination of meter and Rs. The current division across the two branches will be independent of frequency when

a 20 microfarad capacitor is connected across an ideal voltage source the current in the capacitor is

 

about this video-

In this video I explain you a question which was asked in SSC Je 2012 the question is - a 20 microfarad capacitor is connected across an ideal voltage source the current in the capacitor is

If the angular frequency of an alternating voltage is \omegaω, then the angular frequency of instantaneous real power absorbed in an ac circuit is

 

Angular Frequency Of Alternating Voltage Is ω Then Angular Frequency Of Instantaneous Real Power

about this video-
in this video I explain you a question which was asked in SSC Je 2013 the question is-If the angular frequency of an alternating voltage is \omegaω, then the angular frequency of instantaneous real power absorbed in an ac circuit is