Physics, asked by anithaadsaya55, 4 months ago

Us
1. Two Bulbs A and B working under same rated voltage are having power 60W and 30 W respectively.
Then their resistance is related as
a) Ra>Rb
b) RasRb
c) Ra=Rb
d) None of these
2. Three resistances 20,30 and a connected in series then the effective resistance is
a) <30
b) >50
c) <20
d) < 50
3. Three resistances 20,30 and 50 connected in parallel then the effective resistance is
a) <30
b) >50
c) <20
d) <50
4. Three resistors having resistances 20,30 and 50 connected in series to a battery then the ratio of
power dissipationacross each resistor in the ratio
a) 2:3.5
b) 15:10:6
6:13:15
d) 5.3:4
5. Three resistances 2030 and 50 connected in parallel across battery, then the ratio of power
dissipation across each resistor in the ratio
a) 2.3.5
b) 15.10:6
c) 6:13:15
d) 5:3:4

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Answers

Answered by Anonymous
0

Answer:

Answer:

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ANSWER

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Answered by kripajohn
0

Answer:

1. a

2. d

3. c

4. a

5. b

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