An electric stove consumes energy at a rate of
(a) 1000 W when heating is at the maximum
rate and
(b) 550 W when the heating is at the minimum rate. The voltage is 220 V. What are the current and the resistance in each case?
please answer fast
Answers
Answered by
0
Answer:
nmmm
Explanation:
Answered by
0
Answer:
R=110Ω
Explanation:
Power =VI=
R
V
2
, Where V is voltage, I is current , R is resistance.
First case,
Power=880W ⇒880=220×I ⇒I=4A
⇒880=
R
220
2
⇒R=55Ω
Second Case,
Power =440W=220×I ⇒I=2A
⇒440=
R
220
2
⇒R=110Ω
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