Broken Apple Power adapter or Apple power supply?

45W Power Adapter - Powerbook, iBook G3 - NEW

65W Power Adapter for Powerbook and iBook - NEW

Apple 29W USB-C Power Adapter, A1540

Apple 45W MagSafe Power Adapter for MacBook Air A1374 (AC 100-240 V, 45 Watt)

iMac Intel & G5 Power Cord

iPry Power Adapter Bottle Opener

Macbook 60W Magsafe 2 Power Adapter

Macbook 60W Portable Power Adapter

Macbook 60W Portable Power Adapter Non-Working

Macbook Air Adapter A1244 45W - Replacement Power Adapter

Macbook Pro 85W MagSafe 2 Power Adapter

Macbook Pro 85W Power Adapter

Power Mac G5 Power Cord

Used - Macbook 60W Portable Power Adapter

White Brick Style 45W Power Adapter M8482

White Brick Style 65W Power Adapter M8943

White Brick Style Power Cord Extension for Apple Adapter

YoYo Style Power Adapter m7332

YoYo Style Power Adapter M7332 (ibook/titanium)