33.Which one of these need energies to work? 1. Mobile Phones 2. Cars 3. Watches a) Only 2 b) Only 1 and 2 c) Only 1 and 3 d) 1,2, and 3
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ᴏᴘᴛɪᴏɴ ᴅ ɪs ᴄᴏʀʀᴇᴄᴛ.
1 2 ᴀɴᴅ 3
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜʜ✌️
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A battery is a source of electric power consisting of one or more electrochemical cells with external connections[1] for powering electrical devices such as flashlights, mobile phones, and electric cars. When a battery is supplying electric power, its positive terminal is the cathode and its negative terminal is the anode.[2] The terminal marked negative is the source of electrons that will flow through an external electric circuit to the positive terminal.
Explanation:
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