What are the conditions for sheet generator to build up its voltage?
1 answer:
Answer:
There are six conditions
1. Poles should contain some residual flux.
2. Field and armature winding must be correctly connected so that initial mmm adds residual flux.
3. Resistance of field winding must be less than critical resistance.
4. Speed of prime mover of generator must be above critical speed.
5. Generator must be on load.
6. Brushes must have proper contact with commutators.
Explanation:
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The attachment below shows the calculations
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Answer:
(b) 7.2 mJ
Explanation:
ENERGY STORED IN CAPACITOR: the energy is stored in capacitor in electric field
which can be calculated by expressions
E=
=
=7200×
= 7.2×
=7.2 mJ
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