Probably normal. Could be PS pump, alternator, injectors, TB actuators, or many other things that tend to whine on modern engines. Use something like a piece of flexible tubing held to your ear to pinpoint the source. Be careful not to let tubing, clothing, body parts, &c come in contact with moving/hot parts.
A sound clip would help with remote troubleshooting. What you call a "whine" others might call a "buzz" or "whirr."
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