When resistances are connected in parallel, the current passing through them is:
Same
Zero
Different
Infinite
The maximum displacement from mean position is called:
Maximum height
Time period
Amplitude
Interval
What is fitted in telephone receiver:
Electromagnet
Diaphragm
Both a and b
None
The particles emitted from a hot cathode surface are:
Positive ions
Negative ions
Protons
Electrons
Bats can hear sound of frequency up to:
100,000Hz
25000Hz
120, 000Hz
1000Hz