Problem on temperature coefficient of resistance 1

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

State the impact of inductance and resistance on transmission line performance

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

Which of the following has nearly zero temperature coefficient?

Description : Which of the following has nearly zero temperature coefficient? A) Constantan B) Manganin C) Both A and B D) None of these

Last Answer : Which of the following has nearly zero temperature coefficient? A) Constantan B) Manganin C) Both A and B D) None of these

Parallel Reactance and Resistance Example 1

Description : Parallel Reactance and Resistance Example 1

Last Answer : Parallel Reactance and Resistance Example 1

Sinusoids find amplitude, period, frequency, voltage (Problem 1)

Description : Sinusoids find amplitude, period, frequency, voltage (Problem 1)

Last Answer : Sinusoids find amplitude, period, frequency, voltage (Problem 1)

Alternating voltages and phasors (Problem 1)

Description : Alternating voltages and phasors (Problem 1)

Last Answer : Alternating voltages and phasors (Problem 1)

Problem on capacitor

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

Problem on electrical power and energy 2

Description : Problem on electrical power and energy 2

Last Answer : Problem on electrical power and energy 2

Problem on electrical power and energy 7

Description : Problem on electrical power and energy 7

Last Answer : Problem on electrical power and energy 7

Problem on electrical power and energy 6

Description : Problem on electrical power and energy 6

Last Answer : Problem on electrical power and energy 6

Problem on electrical power and energy 5

Description : Problem on electrical power and energy 5

Last Answer : Problem on electrical power and energy 5

A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Description : A charge of 0.1 C moves past a given point every 0.01 s. How much is the current?

Last Answer : The current is 10.0A. 1ampere = 1 Coulomb per 1 second. 0.1Coulombs ÷ 0.01seconds = 10.0amperes.

Problems on resistance and resistivity

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

A resistor in which the resistance changes exponentially with change in temperature is called as

Description : A resistor in which the resistance changes exponentially with change in temperature is called as A) Potentiometer B) Phototransistor C) Varactor D) Thermistor

Last Answer : A resistor in which the resistance changes exponentially with change in temperature is called as Thermistor

The transducer with negative temperature co-efficient of resistance is

Description : The transducer with negative temperature co-efficient of resistance is (A) Thermistor (B) Resistance Thermometer (C) Strain Gauge (D) Thermocouple

Last Answer : The transducer with negative temperature co-efficient of resistance is Thermistor

Temperature co-efficient of resistance is expressed in terms of?

Description : Temperature co-efficient of resistance is expressed in terms of?

Last Answer : Degree celsius

With rise in temperature the resistance of semi-conductors?

Description : With rise in temperature the resistance of semi-conductors?

Last Answer : With rise in temperature the resistance of semi-conductors decreases.

With rise in temperature the resistance of pure metals?

Description : With rise in temperature the resistance of pure metals?

Last Answer : With rise in temperature the resistance of pure metals increases.

State the procedure for testing of earth pit resistance with necessary diagrams.

Description : State the procedure for testing of earth pit resistance with necessary diagrams.

Last Answer : Following procedure (Method) for testing of earth pit resistance with necessary diagrams. 1) Earth Tester : i) Three point method ii) Four point method 2) By Potential drop method 3 ... of that earthing pit. In this test the accuracy is less but electrical rods are not required.

How does the resistance of a conductor compare to that of an insulator?

Description : How does the resistance of a conductor compare to that of an insulator?

Last Answer : The resistance of a conductor can be significantly lower than the resistance of an insulator, depending on each material's atomic properties.

The hot resistance of the bulb's filament is higher than its cold resistance because...

Description : The hot resistance of the bulb's filament is higher than its cold resistance because the temperature co-efficient of the filament is?

Last Answer : This is because resistance of a conductor increases with increase in temperature .

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

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.

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

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

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

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.

A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient?

Description : A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient? A) 0.69 B) 1.69 C) 6.9 D) 16.9

Last Answer : A 50Ω transmission line is terminated in an impedance of 20-j50. What will be the reflection coefficient? A) 0.69 B) 1.69 C) 6.9 D) 16.9

The coefficient of reflection for current wave is

Description : The coefficient of reflection for current wave is

Last Answer : The coefficient of reflection for current wave is 1 or -1

Coefficient of friction is the?

Description : Coefficient of friction is the?

Last Answer : Coefficient of friction is the ratio of limiting friction and normal reaction.

The coefficient of friction depends on?

Description : The coefficient of friction depends on?

Last Answer : The coefficient of friction depends on nature of surface.

State the material used for making (1) Magnetic Core (2) Fuse element

Description : State the material used for making (1) Magnetic Core (2) Fuse element

Last Answer : The material used for making of: (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel (2) Fuse Element: Tin- lead wire, Tinned copper wire

Maximum Power Transfer Theorem 1

Description : Maximum Power Transfer Theorem 1

Last Answer : Maximum Power Transfer Theorem 1

Source free RL circuit 1

Description : Source free RL circuit 1

Last Answer : Source free RL circuit 1

Is Telos real?

Description : Is Telos real?

Last Answer : answer:Of course. I read about it on the internet, thus it has to be true.~ http://www.diannerobbins.com/telos.html http://www.galacticmessages.com/blog/2010/07/telos-the-underground-city-of-mount-shasta-2/ http://lightworkers.org/blog/78455/telos-the-underground-city-of-mount-shasta

Nodal analysis example 1

Description : Nodal analysis example 1

Last Answer : Nodal analysis example 1

if voltage is 230 Volts , frequency is 50 Hz and current is 1 ampere then what will be the resistance?

Description : if voltage is 230 Volts , frequency is 50 Hz and current is 1 ampere then what will be the resistance?

Last Answer : As V = 230v and I = 1A Therfore by ohm's law V =IR R = V/I =230/1 =230 ohm

anonymous · Answer 1 · 2019-05-19T10:09:30+0000

Problem on temperature coefficient of resistance 1

Problem on temperature coefficient of resistance 1

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