In principle, the transformer consists of two coils of copper, electrically insulated from each other, wound on the same
- Gold core
- Copper core
- Iron core
- Steel core
The ohmmeter of a portable digital multi meter need:
- Ammeter
- Voltmeter
- Internal battery
- Wet cell
First law of thermodynamics concerns with the conservation of
- Energy
- Work
- Heat
- Momentum
Wave trough refers to the:
- Lowest point of the wave
- Highest point of the wave
- Wave length
- Wave speed
When a wave goes from one medium to another, there is a no change in the:
- Frequency
- Amplitude
- Wavelength
- Velocity
If transverse waves are passing through medium, then particle of medium:
- Remain stationary
- Move toward
- Move away
- Move In Simple Harmonic Motion
The speed of sound in an ideal gas depends upon:
- Frequency and fog
- Temperature and density
- Temperature and amplitude
- Density and amplitude
For an ideal gas equation PV= nRT, the dimensions of Real Gas Constant R are:
- [ M1 L-3 T-2 K-1 ]
- [ M1 L-2 T-1 K-1 ]
- [ M1 L-3 T-1 K-1 ]
- [ M1 L2 T-2 K-1 ]
Electric field intensity inside a hollow charged sphere is:
- Negative
- Positive
- Maximum
- Zero
Gauss law cannot be used to find which of the following quantity
- Electric field intensity
- Charge
- Electric flux density
- Permittivity
