Electric motors operating at low voltages tend to burn out because |
|||

(a) |
they draw more current which is inversely proportional to the voltage. |
(b) |
they draw more current which is inversely proportional to the square root of the voltage. |

(c) |
they draw heat proportional to V |
(d) |
low voltage sets in electrical discharge. |

Electric motors operating at low voltages tend to burn out because |
|||

(a) |
they draw more current which is inversely proportional to the voltage. |
(b) |
they draw more current which is inversely proportional to the square root of the voltage. |

(c) |
they draw heat proportional to V |
(d) |
low voltage sets in electrical discharge. |

1 Answer

5876 Votes

3537

they draw more current which is inversely proportional to the voltage.

Which of the following figures has the longest perimeter?

(a) A square of side 10 cm

(b) A rectangle of sides 12 cm and 9 cm

(c) A circle of radius 7 cm

(d) A rhombus of side 9 cm

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