A. Mean position
B. Elsewhere
C. Extreme position
D. None
A. band spectrum
B. line spectrum
C. continuous spectrum
D. absorption spectrum
A. 18Ω
B. 30Ω
C. 24Ω
D. 12Ω
A. Protons
B. Electrons
C. Metal atoms
D. Metal ions
Electric current in a solid metal conductor is caused by the movement of electric charge. An electric current is the flow of electric charge. An electron current, the flow of electrons, contributes to an electric current since the electron ‘carries’ negative electric charge.
A. Antiproton
B. Positron
C. Gamma rays
D. Photon
A. May be significant may not significant
B. Always significant
C. Always insignificant sign
D. Significant only if left to a significant figure
A. w2x
B. wx2
C. w2x
D. wx2