Advertisements
Advertisements
Question
Advertisements
Solution
We know that,
P=VI
I = `"P"/"V" = (3 xx 1000)/250` = 12A
Thus, it can be used in a circuit which contains a 13A fuse.
APPEARS IN
RELATED QUESTIONS
Three 2 V cells are connected in series and used as a battery in a circuit.
How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells?
If the lamps are both the same in the figure given below and if A1 reads 0.50 A, what do A2, A3, A4 and A5 read?
How does the heat H produced by a current passing through a fixed resistance wire depend on magnitude of current I?
Find the effective resistance in the following circuit diagrams (Fig.):
An electric bulb is rated at 220 V, 100 W.
- What is its resistance?
- What safe current can be passed through it?
An electrical appliance is rated at 1000 KVA, 220V. If the appliance is operated for 2 hours, calculate the energy consumed by the appliance in: (i) kWh (ii) joule.
Calculate the current in a wire if a charge of 1500 coulomb flows through it in 5 minutes.
