What is meant by resistance heating?

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- What is meant by dielectric heating?
- The range of frequencies used in induction heating is :
- Is induction heating safe?
- The frequencies and voltage used in Dielectric heating are
- The resistance encountered by a train in motion is on account of?
- _________ is used for heating non -conducting materials.
- can induction heating is use for both magnetic and non magnetic material ?
- Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
- State advantages of electric heating over other types of heating methods.
- Enlist any four advantages of induction heating.
- In order that current should flow without causing excessive heating or voltage drop, the relay contacts should?
- The air resistance to the movement of the train is proportional to?
- What do you mean by exciting resistance and exciting reactance?
- Arc resistance
- Identify the correct combination of respective Electric arc welding and Electric resistance welding methods :
- In a capacitor start single-phase motor, when capacitor is replaced by a resistance?
- what is equivalent resistance when four 4 Ohm resistors are connected in i) series ii) parallel
- What is the mathematical relationship between resistance and conductance?
- What is the resistance of a coil which draws 10 A and dissipates 1520 W?
- Consider a cube of material of sides 1 cm with a resistance of 0.003 Ω between its opposite faces. What is the
- What is the resistance of a 160 m wire with a uniform diameter of 0.28 mm, if the specific resistance is
- What is the total resistance if 5 resistors of 20 Ω each are connected in series?
- What is the relationship between power and resistance?
- What is the lowest acceptable insulation resistance for a cable?
- What is an insulation resistance test?
- What is the unit of resistance?
- What happens to the resistance of a wire when its length as well as the cross-sectional area are doubled?
- What happens to the resistance when the current increases?
- What should be the ideal resistance of ammeter ?
- If the 12 Ohm resistor draws a current of 1 A as shown in the figure, the value of resistance R is
- A resistor in which the resistance changes exponentially with change in temperature is called as
- If the insulation resistance of a cable of length 10 km is 1 mega ohm, its insulation resistance
- A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2
- A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance
- Resistance grounding is normally used for :
- Which of the following is the name given to resistance of thin films that are uniform in thickness?
- RC triggering is preferred over resistance triggering because
- The transducer with negative temperature co-efficient of resistance is
- The normal value of the armature resistance of a d.c. motor is?
- Thevenin resistance Rth is found?
- Temperature co-efficient of resistance is expressed in terms of?
- International ohm is defined in terms of the resistance of?
- The hot resistance of the bulb's filament is higher than its cold resistance because...
- If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes?
- The resistance of a few meters of wire conductor in closed electrical circuit is?
- When an alternating current passes through an ohmic resistance the electrical power converted into heat is?
- An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel...
- To measure a resistance with the help of a potentiometer it is?
- Which is an instrument which measures insulation resistance of an electric circuit relative to earth and one another?
- The critical resistance of the D.C. generator is the resistance of?

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