When an atom loses or gains a charge, it becomes an
ion
an electron
a neutron
a proton
a deuteron
Correct answer is A
No explanation has been provided for this answer.
Which of the following substances is not an insulator?
Aluminium
Glass
Plastic
Clay
Cork
Correct answer is A
No explanation has been provided for this answer.
electrons
protons
neutrons
helium nuclei
tritium nuclei
Correct answer is A
No explanation has been provided for this answer.
11000
2750
460
550
232
Correct answer is B
\(\frac{E_s}{E_p} = \frac{N_s}{N_p} ; \frac{120}{240}= \frac{N_s}{5500} thus N_s\)=2750
Which of the following is a stringed instrument?
Flute
Trumpet
Piano
Drum
Organ
Correct answer is C
No explanation has been provided for this answer.