Question

Calculate the energy transferred by a 5 A current flowing through a resistor of 2 ohm for 30 minutes.

Answer 1

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➧ P = 1² × R

➙ Cᴜʀʀᴇɴᴛ => 5 ᴀᴍᴘᴇʀᴇꜱ
➙ Rᴇꜱɪꜱᴛᴀɴᴄᴇ => 2 ᴏʜᴍꜱ
➙ Pᴏᴡᴇʀ => (5)² × 2

➾ 25 × 2
➾ 30 ᴡᴀᴛᴛꜱ

➾ 50 / 1000 ᴋW
➾ 0.05 ᴋᴡ

➧ Tɪᴍᴇ=> 30 ᴍɪɴ

➾ 30 / 60
➾ ½ ʜʀꜱ
➾ 0.5 ʜʀꜱ

➧ Eɴᴇʀɢʏ = P × ᴛ

➾ 0.05 × 0.5
➾0.025 Kᴡʜ...✔

Answer 2

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