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Which one of the following devices is non-ohmic? |
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(a) |
Conducting copper coil |
(b) |
Electric heating coil |
|
(c) |
Semiconductor diode |
(d) |
Rheostat |
|
Which one of the following devices is non-ohmic? |
|||
|
(a) |
Conducting copper coil |
(b) |
Electric heating coil |
|
(c) |
Semiconductor diode |
(d) |
Rheostat |