Tag: applications of electromagnets
Questions Related to applications of electromagnets
Electromagnets are used in
Electromagnets are used in
Electromagnets are used in
In which of the following devices is an electromagnet used?
a. Electric tram
b. Loud speaker
c. Telegraph
d. Relay microphone
Match the following
1. Industrial use | a. Study of magnetic properties under magnetic field |
---|---|
2. Scientific use | b. Removing pieces of iron from wounds |
3. Medical use | c. To separate iron filaments from other waster |
4. Easiest method | d. Lifting and transporting heavy loads of iron mass |
When the current through the electromagnet of a relay reaches a particular value.
In the transformer phase difference between input and output is
Transformer are used
Why does the light of a car dim when the starter is operated?
Why is the iron core of a transformer laminated (thin sheet) instead of being in one solid piece?