Q.1The plant harmone which inhibits the growth in unfavourable
conditions is _____________
Q.2) The unit of specific resistance is _____________
Q.3) The fixed resistance is called ______________
Q.4) SI unit of magnetic field is _______________
Q.5) A coil carrying current behaves as a/an ___________
Q.6) We suddenly withdraw our hands when a pin pricks.Name
the type of response involved in this action.
Q.17) Name two receptors .
Q.18) The length of a wire is doubled . How is its resistivity
affected ?
Q. Which has higher resistance :- a bulb of 50 W or of 25 W
Q. Write any one property of magnetic field lines .
Answers
Answered by
2
Explanation:
2. SI unit of specific resistance is ohm-metre.
Answered by
0
Answer:
que 19, 25w bulb
Explanation:
Resistance R = V2/P, where V is the potential difference and P is the power in Watts. So, the more the power, the lower will be the resistance and vice versa. ... Thus, 25 W bulb will have double the resistance
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