1.0eV
3.0eV
4.0eV
7.0eV
Correct answer is A
K.E = hf - Wo
= 4 - 3 = 1eV
An atom in an excited state is one whose
potential energy is minimum
potential energy is maximum
electron are in the conduction band
electron have moved to higher energy level
Correct answer is D
No explanation has been provided for this answer.
Irms leads Vrms by 60o
Irms slags Vrms by 60o
Vrms lags Irms by 90o
Vrms leads Irms by 90o
Correct answer is C
No explanation has been provided for this answer.
8.0 x 102H
7.5 x 10oH
1.6 x 10oH
5.1 x 10-2H
Correct answer is D
\(X_L = \frac{V}{I} = \frac{24}{1.5} = 16\Omega\)
L = \(\frac{XL}{2 \pi f} = \frac{16}{2 \pi 50}\)
= 0.05H
alternating current at low voltage and high current
alternating current at high voltage and high current
alternating current at high voltage and low current
direct current at low voltage and high current
Correct answer is C
No explanation has been provided for this answer.