In a full bridge inverter, the waveshape of load current depends on relative val

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Question
In a full bridge inverter, the waveshape of load current depends on
Options
A. relative values of load parameters R, L and C
B. relative values of load parameters R and L
C. relative values of load parameters L and C
D. gating frequency

Correct Answer

relative values of load parameters R, L and C

More questions

1. Assertion (A): If the duty cycle of chopper is low the current would not become discontinuous
Reason (R): If the time constant L/R of the load in chopper is low the current may become discontinuous.
Options
A. Both A and R are correct and R is correct explanation of A
B. Both A and R correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct

2. For a transmission line open circuit and short circuit impedances are 20 ? and 5 ?. Then characteristic impedance is
Options
A. 100 ?
B. 50 ?
C. 25 ?
D. 10 ?

3. When subjected to alternating stresses, an insulating material is characterised by complex dielectric constant ?^'_r - j?^"_r . In such materials, the dielectric losses under alternating stress is proportional
Options
A. ?^"_r
B. both ?^'_r and ?^"_r
C. ?^'_r
D. (?^"_r)²

5. If a capacitor C having selectivity factor Q is scaled down in all its dimensions by a factor K without any altering the dielectric material, the new capacitor will have capacitance and selectivity as
Options
A. C,
B. , Q
C. ,
D. C, K

6. The orientation polarization is
1. directly proportional to temperature
2. inversely proportional to temperature
3. inversely proportional to square of permanent dipole moment
4. directly proportional to square of permanent dipole moment.
Which of the above are correct?
Options
A. 1 and 3 only
B. 2 and 3 only
C. 1 and 4 only
D. 2 and 4 only

7. An electron in a homogeneous magnetic field and having velocity perpendicular to the direction of field moves
Options
A. perpendicular to the field
B. along the field
C. along a straight line inclined at 45� to field
D. in a circular path

8. Which capacitor-store higher amount of energy?
Options
A. Air capacitor
B. Paper capacitor
C. Mica capacitor
D. Plastic film capacitor

9. If the radius of electron cloud around the nucleus of a rare gas atom is R, the electronic polarizability of the atom is porportional to
Options
A. R
B. R²
C. R³
D.

10. An electron in a metal suffers collision and if the probability of it being scattered over an angle d? is 2p P(?) sin ? d? where P(?) is an arbitrary function of scattering angle ?, then
Options
A. 2pP(?) sin ? d? = 0
B. 2pP(?) sin ? d? = 2
C. 2pP(?) sin ? d? = -1
D. 2pP(?) sin ? d? = 1

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