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English 11 Public

midterm revision

Study Slideshow

name the symbol

transistor

what is a neutral atom?

atom with equal number of protons and electrons

name the symbol

variable resistor

name the factors which affect resistance on a wire

length of wire, cross-sectional area, type of material

name the symbol

LED

how is the ammeter connected to the circuit

it is connected in series

how is a voltmeter connected to a circuit?

it is connected across the component to be measured

what is an ammeter?

a device used to measure current

Describe the charge of the picture.

it is positively charged

describe the image

like charges repel, unlike charges attract

In paint spraying, which object is positively charged, which is negatively charged?

positively charged - object to be painted, negatively charged = paint