MARX CIRCUIT

Marx multistage impulse generator model involves:

• 1. High ohmic resistances

• 2. Low ohmic resistances

• 3. Both of these

• 4. None of these

Recurrent surge generator provides:

• 1. Two current impulses

• 2. A large current impulse

• 3. A large magnitude impulse voltage

• 4. A smaller magnitude impulse voltage

The term wave front is associated with ____________

• 1. Sin

• 2. Triangular

• 3. Square

• Impulse

The design of Marx multistage impulse generator involves the condensers which are:

• 1. Charged in parallel and discharged in series

• 2. Charged in series and discharged in series

• 3. Charged in parallel and discharged in parallel

• 4. Charged in series and discharged in parallel

A switching surge is

• Long duration transient

• short duration transient

• voltage sag

In large impulse generators, the spark gaps are generally

• a. Sphere gaps

• b. Hemispherical gaps

  )

• c. Square gaps

• d. Either (a) or (b

For producing large values of impulse currents, a number of capacitors are charged in

• a. Parallel and discharged in series

• b. Parallel and discharged in parallel

• c. Series and discharged in series

• d. Series and discharged in parallel

In a series RLC circuit, the wave front and wave tail times are controlled by changing the value

• a. R only

• b. R and L simultaneously

• c. R and C simultaneously

• d. L and C simultaneously

In Van de Graaff generators, the shape of high voltage electrode is nearly spherical to avoid

• a. High surface field gradients

• b. Corona

• c. Local discharges

• d. All of these

The ripple voltage for half wave rectifier is

• a. Smaller than that of full wave rectifier

• b. Larger than that of full wave rectifier

• c. Equal to that of full wave rectifier

• d. None of these