Turns Ratio
Trending Questions
What is the quality factor of RLC circuit?
- 4 μF
- 8 μF
- 1 μF
- 2 μF
The current through 20 Ω resistor will be
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/709271/original_16.png)
- 0.2 A
- 0.3 A
- 0.5 A
- Zero
A hot plate of an electric oven connected to a 220 line has two resistance coils A and B, each of 24 resistances, which may be used separately, in series, or in parallel. What are the currents in the three cases?
- LR
- R
- L
- LCR
What are transistor parameters?
The winding of a motor has a resistance of 80 ohms at 150C. Find its resistance at 500 C. the temperature co-efficient of resistance is 0.004/0C
60.57Ω
80.0Ω
90.56Ω
75.47Ω
- 27:32
- 16:9
- 4:9
- 1:2
- 0.108 mA
- 6.492 mA
- 1.1 mA
- 3.3 mA
- 10 A
- 20 A
- 0.2 A
- 2 A
- 1 A
- 2 A
- 4 A
- 5 A
In the given circuit, find the power consumed by the circuit.
- 0.1 A
- 0.14 A
- 2 A
- 40 A
- 2203 V
- 660 V
- Zero
- 220 V
- kirchhoff's current law is NOT applicable to ac circuits
- impedance of the coil is 50 Ω
- electric power dissipated in the coil is 150 W
- impedance of the circuit is 33.3 Ω
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/462548/original_40.png)
- An iron rod is inserted in the coil
- Frequency of the AC source is decreased
- Number of turns in the coil is reduced
- A capacitance of reactance XC=XL included in the same circuit.
- The inductance of the circuit is √310π H.
- The frequency of the AC when the phase difference between the current and emf becomes π4, with the above components is 50√3Hz
- The frequency of AC, at which the reactive power is half of the actual power lost is 25√3Hz
- The frequency of the AC when the phase difference between the current and emf becomes π4, with the above components is 25√3Hz.
- 0.625 W
- 0.325 W
- 0.925 W
- 0.125 W
- √5E0
- E0
- √2E0
- √3E0
A carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is :
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1261739/original_%E2%82%AC1.png)
What is the reading of the voltmeter ?
- zero
- between 0 and 3 V
- 3 V
- between 3 V and 6 V
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1283632/original_667818%2810-8%29.png)
- 123 V
- 133 V
- 143 V
- 153 V
In the circuit shown in the adjacent figure, the batteries are ideal. The charge on the capacitor C is
10μ C
zero
20μ C
30μ C