A. Converter
B. A rectifier
C. Inverter
D. Oscillator
A. in series with the circuit
B. in parallel with circuit
C. in series with any of the parallel resistances in the circuit
D. in parallel with any of the series resistances in the circuit
A. 103 photons of wavelength 2 pm (γ-rays)
B. 102 photons of wavelength 1nm (x-rays)
C. 106 photons of wavelength 50?m (infrared)
D. 106 photons of wavelength 200nm (UV)
A. Plus 1.6 x 10-19C
B. Zero
C. Minus 1.6 x 10-19C
D. No definite charge
A. A very high input impedance
B. A very low input impedance
C. A low output impedance
D. None of the above
A. they are transverse waves
B. they are stationary waves
C. they require material medium for propagation
D. they do not have enough energy
A. 40
B. 15.5
C. 542
D. 273