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Q. Will a DC motor really produce voltage if it is spun in reverse?
Answer:-
It will produce voltage if you spin it forwards too. The merely difference between a DC motor and a DC generator is what you utilize it for. A long time previously cars had DC generators on them instead of AC alternators. When you change a generator you had to "polarize" it consequently it would make electricity. You enthusiastic it up to your battery and let it run as a motor for a few seconds. Do not try that with an alternator for the reason that you'll break it. If you're seem to be for a neat little elementary-school science project you can use little Radio Shack electric motors as generators for things like water wheels, windmills, dynamos turned by bicycle tires.
Q. What is an electric dipole? Define: the dipole moment. Two equal as well as opposite charges separated by a very small distance constitute an electric dipole. Instances amm
Write down a short note on the discovery of neutron. Show the uses of radioisotopes.
Why does sun appear flat during sunrise and sunset? The sun rays have to travel by a larger atmospheric distance. Most of the blue light and shorter wave lengths are removed by
a=The set of whole numbers less than 4
Q. Illustrate what are the three particles that make up an atom? Answer:- Atoms are conjured of neutrons, protons, and electrons. The protons as well as neutrons are found
Alternatives to prevent tuberculosis - Another possible regimen for treatment of latent TB is daily rifampin alone for 4 months, which may be useful in persons intolerant to is
Draw the phasor diagram for an ideal transformer on no-load. (a) A 500 V/100V, single-phase transformer takes a full load primary current of 4A. Neglecting losses, Verify
Avogadro's hypothesis (Count A. Avogadro; 1811) At the same temperature and pressure, equal volumes of all of the gases contain equal numbers of molecules. In fact, it is, only
Truck has a 100 kW engine power and 40 % efficiency . As oil burn in an hour if q = 4.4 to force multiplication 10 to 7 ?
When a liquid moves by a pipe having a varying diameter, the pressure against the inside walls of the pipe will be: a) The same throughout b) Lowest where the diameter is
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