**Description :** Write a note on ATP?

**Last Answer :** ATP is abbreviation of adenosine tri-phosphate. Composition: - It is made up of three-phosphate group. Adenosine is formed of nitrogenous base (adenine) and sugar (ribose). In ATP three- ... broken down a large amount of energy is released which is used in different activities of organism.

**Description :** Write about transformer on DC.

**Last Answer :** Transformer on DC : Transformer cannot work on DC. Transformer works on electromagnetic induction principle. Electromagnetic induction principle means when flux linking with coil changes and EMF induced in it ... winding insulation will burn. https://youtu.be/TVp_0fIfxqY

**Description :** State two applications of : (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material.

**Last Answer :** (i) Application of PVC paper : 1. It is used in slot lining or motor winding insulation purpose 2. For Insulation of Transformer winding (ii) Application of Porcelain : 1. Mainly used for manufacturing ... on withstand temperature : * H' & C' Class of insulation i e. 180° and above 180°C

**Description :** List any four accessories used on lathe.

**Last Answer :** The various accessories used in lathe are as follows. 1) Lathe centers 2) Carriers or driving dog 3) catch plates 4) Chucks 5) Face plates 6) Angle plates 7) Mandrels 8) Rests

**Description :** State the impact of inductance and resistance on transmission line performance

**Last Answer :** Impact of inductance on transmission line: 1) It causes IXL drop in transmission line which affects regulation. 2) It is the only parameter which decides power transmission capacity of line i. ... is very small, it causes losses, temperature rise& poor voltage regulation so it cannot be neglected

**Description :** Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.

**Last Answer :** 1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series. 2) ... 4) Effect on Life:- If supply voltage is not stable then life of LED get reduced.

**Description :** Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span

**Last Answer :** Parameter LED CFL Lamp Efficiency High (more than 70 lumen per watt) Comparatively less (50-60 lumen per watt) Life span (in working hours) 10000 3000

**Description :** With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

**Last Answer :** Working of N channel FET: * When a voltage is applied between the drain and source with a DC supply (VDD), the electrons flows from source to drain through narrow channel ... where the channel gets completely blocked and the drain current becomes zero is called pinch- off voltage.

**Description :** Brake test on DC series motor

**Last Answer :** .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

**Description :** State one application of clip on meter.

**Last Answer :** Clip-on meter is used to measure the High value AC current without breaking the circuit Or without opening the circuit.

**Description :** Problem on capacitor

**Last Answer :** Problem on capacitor 1 : https://youtu.be/ZyT3WOFN8fs Problem on capacitor 2 : https://youtu.be/JBwEfekvutE Problem on capacitor 3 : https://youtu.be/E1lhIn5t8Mo Problem on capacitor 4 : https://youtu.be/yl651f4IUfg

**Description :** Problems on electrical power and energy

**Last Answer :** Problem on electrical power and energy 1 : https://youtu.be/ZvWHuMdmv9g Problem on electrical power and energy 2 : https://youtu.be/19IZMc6U2vs Problem on electrical power and energy 3 : https ... : https://youtu.be/iYqGIwA919A Problem on electrical power and energy : https://youtu.be/iWnWQz_mzHk

**Description :** Problems on resistance and resistivity

**Last Answer :** Problem on resistance and resistivity 1 : https://youtu.be/OqavD7OlZUs Problem on resistance and resistivity 2 : https://youtu.be/0eo8VO8cpwk Problem on resistance and resistivity 3 : https:// ... https://youtu.be/3neLRCTz0RQ Problem on resistance and resistivity 13 : https://youtu.be/vBCkvPOiztY

**Description :** Problem on temperature coefficient of resistance 3

**Last Answer :** Problem on temperature coefficient of resistance 3

**Description :** Problem on temperature coefficient of resistance 2

**Last Answer :** Problem on temperature coefficient of resistance 2

**Description :** Problem on temperature coefficient of resistance 1

**Last Answer :** Problem on temperature coefficient of resistance 1

**Description :** Problem on resistance and resistivity 13

**Last Answer :** Problem on resistance and resistivity 13

**Description :** Problem on resistance and resistivity 12

**Last Answer :** Problem on resistance and resistivity 12

**Description :** Problem on resistance and resistivity 11

**Last Answer :** Problem on resistance and resistivity 11

**Description :** Problem on resistance and resistivity 10

**Last Answer :** Problem on resistance and resistivity 10

**Description :** Problem on resistance and resistivity 9

**Last Answer :** Problem on resistance and resistivity 9

**Description :** Problem on resistance and resistivity 8

**Last Answer :** Problem on resistance and resistivity 8

**Description :** Problem on resistance and resistivity 7

**Last Answer :** Problem on resistance and resistivity 7

**Description :** Problem on resistance and resistivity 6

**Last Answer :** Problem on resistance and resistivity 6

**Description :** Problem on resistance and resistivity 5

**Last Answer :** Problem on resistance and resistivity 5

**Description :** Problem on resistance and resistivity 4

**Last Answer :** Problem on resistance and resistivity 4

**Description :** Problem on resistance and resistivity 3

**Last Answer :** Problem on resistance and resistivity 3

**Description :** Problem on resistance and resistivity 2

**Last Answer :** Problem on resistance and resistivity 2

**Description :** Problem on resistance and resistivity 1

**Last Answer :** Problem on resistance and resistivity 1

**Description :** Problem on electrical power and energy 2

**Last Answer :** Problem on electrical power and energy 2

**Description :** Problem on electrical power and energy 1

**Last Answer :** Problem on electrical power and energy 1

**Description :** Problem on electrical power and energy 7

**Last Answer :** Problem on electrical power and energy 7

**Description :** Problem on electrical power and energy 6

**Last Answer :** Problem on electrical power and energy 6

**Description :** Problem on electrical power and energy 5

**Last Answer :** Problem on electrical power and energy 5

**Description :** Is gate turn on mechanism of GTO is similar to conventional thyristor?

**Last Answer :** Yes gate turn on mechanism of GTO is similar to conventional thyristor.

**Description :** Explain the principle of ON-OFF control and phase control of AC voltage controller with suitable circuit and waveforms.

**Last Answer :** The integral cycle control (on-off control) and phase angle control are the two types of AC voltage controller. The principle of ON-OFF control: The on-off control is also called an integral cycle ... control. In phase control, the switch is on for some period of each cycle.

**Description :** what is the minimum voltage required to turn on a diode ?

**Last Answer :** 0.7 v sil and 0.3 v for gr

**Last Answer :** GTO can be turned on by providing positive pulse to the gate terminal and it can be turn off by providing negative pulse to gate terminal.

**Description :** Explain the on state losses in power BJT.

**Last Answer :** On state losses in power BJT: Transistor have four types of losses one is turn on state losses second is turn off state losses third is turn on switching losses and fourth is turn ... ON = VCE sat x IC With increasing collector current collector to emitter saturation voltage increases.

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