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Toroid is a...

Toroid is a

A

rectangular shaped solenoid

B

ring shaped solenoid

C

rectangular shaped solenoid

D

ring shaped open solenoid

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The correct Answer is:
B
Toroid is a ring shaped closed solenoid.
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MARVEL PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-MCQ
  1. The magnetic induction due to toroidal solenoid is independent of

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  2. A current of 1.6 A flows through a long solenoid, having 8 turns/cm. T...

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  3. Toroid is a

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  4. If a current is passed through a spring then the spring will

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  5. A straight section PQ of a circuit lise along the X-axis from x=-a/2 t...

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  6. A long solenoid has 200 turns per cm and carries a current i. The magn...

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  7. An electron is moving with the velocity of 10^(7)m/s, parallel to a st...

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  8. The wire loop ABCDEA formed by joining two semicircular loops of radii...

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  9. A winding wire which is used to prepare a solenoid of length 80 cm can...

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  10. A pair of stationary and infinitely long bent wires is placed in the X...

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  11. The current in the windings on a toroid is 2.0A. There are 400 turns a...

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  12. A moving coil galvanometer needs a current of 100muA for a full scale ...

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  13. A rectangular coil of effective area 0.05 m^(2) is suspended freely i...

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  14. A rectangular coil of area vecA and number of turns n is placed in a u...

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  15. Two galvanometer A and B require the current of 4 mA and 7mA repective...

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  16. A current carrying circular loop is freely suspended by a long thread....

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  17. The scale of a galvanometer is divided into 150 equal divisions. The g...

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  18. A rectangular coil of 50 turns, each of area 0.1 m^(2) and carrying a ...

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  19. The magnetic field at the center of a moving coil galvanometer is 0.25...

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  20. Two flat circular coils A and B are made from two identical copper wir...

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