Question

1.A bread toaster is rated at 200 V and 500 W. If fuses of 1 A, 3 A, and 5 A are available, which one is the most suitable fuse to use?

sole plss

Answer 1

Answer:

Power P= 500W

Voltage V=200V

P=VI

I is the current flowing through the circuit

I=P/V

=500/200=2.5 A

3 A fuse is the most suitable fuse to use because it is slightly higher than current flowing through the circuit.

Answer 2

A bread toaster is rated at $200 V$ and $500 W$. If fuses of $1 A, 3 A, 5 A$ are available, the most suitable fuse to use is $3A$

Explanation:

Given:  

$p = 200v$

$v= 500v$

Electric current is the rate of change of electric charge through a circuit. This electric current is related to the voltage and resistance of the circuit. Using Ohm's law, we can represent as the formula

$i= p/v$

•  apply the values in the formula

$i = p/v$

$i = 500/200$

$i = 2.5A$

we can round the value to $3A$