A resistor develops 500 J of thermal energy in 20 s when a current of 1.5 A is passed through it. If the current is increased from 1.5 A to 3 A, what will be the energy developed in 20 s.

Question

A resistor develops 500 J of thermal energy in 20 s when a current of 1.5 A is passed through it. If the current is increased from 1.5 A to 3 A, what will be the energy developed in 20 s. (A) 1500 J (B) 1000 J (C) 500 J (D) 2000 J

Tardigrade Admin · Accepted Answer

500=(1.5)2 × R × 20 E =(3)2 × R × 20 E =2000 J

Q. A resistor develops $500 J$ of thermal energy in 20 s when a current of $1.5 A$ is passed through it. If the current is increased from $1.5 A$ to $3 A$ , what will be the energy developed in $20 s$ .

1500 J

1000 J

500 J

2000 J

$500 = (1.5)^{2} \times R \times 20$
$E = (3)^{2} \times R \times 20$
$E = 2000 J$

Q. A resistor develops 500J of thermal energy in 20 s when a current of 1.5A is passed through it. If the current is increased from 1.5A to 3A, what will be the energy developed in 20s.