Which are potential sources of error in the experiment? Check all that apply.variable amounts of metal and magnetic properties of a materialholding the compass at an anglethe color of the bar magnetunseen magnetic fields (such as from an electrical appliance)the brand of light bulb used in the circuitusing a dead battery in the circuit
Answer
A
variable amounts of metal and magnetic properties of a material
B
holding the compass at an angle
C
the color of the bar magnet
D
unseen magnetic fields (such as from an electrical appliance)