The colour code for a resistor of resistance |
|||
a) |
Orange, green, red and gold |
b) |
Red, yellow, black and gold |
c) |
Orange, green, orange and silver |
d) |
Orange, green, red and silver |
The colour code for a resistor of resistance |
|||
a) |
Orange, green, red and gold |
b) |
Red, yellow, black and gold |
c) |
Orange, green, orange and silver |
d) |
Orange, green, red and silver |
(a) The first two bands indicate the first two significant figures of the resistance in ohm. The third band indicates the decimal multiplier and the last band stands for the tolerance in percent about the indicated value |
The tangent galvanometer, when connected in series with a standard resistance can be used as |
|||
a) |
An ammeter |
b) |
A voltmeter |
c) |
A wattmeter |
d) |
Both ammeter and voltmeter |
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