Question
A 240V, 10A electric heater is used. Calculate the
power consumed by the heater.Solution
Power (P) is calculated using the formula P = V * I, where V is voltage and I is current. Given: Voltage (V) = 240 volts, Current (I) = 10 amperes Power (P) = V * I = 240 * 10 = 2400 watts (or 2.4 kilowatts)
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
19.89% of 449.67 + 14.67% of 299.89 - 9.89% of 99.79 = ?
(13.13 ×  32.98) + 20.15% of 649.99 = ? + 122.34
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
(2099.92 ÷ 25.02 of ? × 199.56 + 1199.95) = 3999.86
What approximate value will replace the question mark (?) in the following?
? =...
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
?2 + (39.99 × 10.99 + 7.01) - (39.99 × 2.992 + 21.99) = 21.99 × 23.01
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)