|
A step-up transformer is operated on a 2.5 kV line
|
|
1
|
5898
|
December 9, 2016
|
|
In any AC circuit, is the applied instantaneous voltage equal to the algebraic sum
|
|
1
|
2547
|
December 9, 2016
|
|
A 60 W load is connected to the secondary of transformer
|
|
1
|
2444
|
December 9, 2016
|
|
A power transmission line feeds input power at 2300 V
|
|
1
|
5135
|
December 9, 2016
|
|
A resistor of 400 Ω
|
|
1
|
3753
|
December 9, 2016
|
|
A lamp is connected in series with a capacitor
|
|
1
|
3180
|
December 9, 2016
|
|
When an AC source is connected to an ideal capacitor
|
|
1
|
1177
|
December 9, 2016
|
|
What is the maximum current in the circuit?
|
|
1
|
2297
|
December 9, 2016
|
|
What is the maximum current in the coil?
|
|
1
|
1368
|
December 9, 2016
|
|
An inductor L of inductance XL is connected in series
|
|
1
|
2337
|
December 9, 2016
|
|
Find the instantaneous power Pi supplied to the inductor
|
|
1
|
2511
|
December 9, 2016
|
|
What is the average power transferred to the circuit in one complete cycle?
|
|
1
|
896
|
December 9, 2016
|
|
Find the bandwidth and mark in the figure
|
|
1
|
1055
|
December 9, 2016
|
|
Capacitor C, a variable resistance R and a bulb B are connected in series
|
|
1
|
7693
|
December 9, 2016
|
|
Calculate the quality factor of a series
|
|
1
|
4962
|
December 9, 2016
|
|
The graphs (a) and (b) represent the variation of the opposition
|
|
1
|
7892
|
December 9, 2016
|
|
A 60 µ F capacitor is connected to a 110 V
|
|
1
|
1627
|
December 9, 2016
|
|
What must be the range of its variable capacitor?
|
|
1
|
1481
|
December 9, 2016
|
|
Both alternating current and direct current are measured in amperes
|
|
1
|
2447
|
December 9, 2016
|
|
A 44 mH inductor is connected to 220 V, 50 Hz AC supply
|
|
1
|
2082
|
December 9, 2016
|
|
What is the rms value of current in the circuit?
|
|
1
|
742
|
December 9, 2016
|
|
A light bulb is rated 100 W for 220 V
|
|
1
|
16747
|
December 9, 2016
|
|
Show that heat produced in a cycle
|
|
1
|
1728
|
December 9, 2016
|
|
An alternating voltage given by E = 140 sin 314t
|
|
1
|
2148
|
December 9, 2016
|
|
The peak voltage of an AC supply is 300V
|
|
1
|
1760
|
December 9, 2016
|
|
Draw a schematic arrangement for winding of primary and secondary coil
|
|
1
|
7665
|
September 8, 2016
|
|
State the working of a.c. generator with the help of a labelled diagram
|
|
1
|
7267
|
September 8, 2016
|
|
Draw a labelled diagram of a step-down transformer. State the principle of its working
|
|
1
|
10055
|
September 8, 2016
|
|
Write the function of a transformer
|
|
1
|
4196
|
September 8, 2016
|
|
State the underlying principle of a transformer
|
|
1
|
2570
|
September 8, 2016
|