Electrical measuring devices Lesson #2

Identify this tool

• Digital multimeter

• Digital therometer

• Digital pedometer

• Digital weight scale

What type of multimeter has a needle gauge?

• analog multimeter

• digital multimeter

• electrical multimeter

• mechanical dual multimeter

What do you call that symbol?

• resistance

• current

• microfarad

• ohm

What is a multimeter?

• a tool used to estimate distance current travels

• a tool used to find a correct locaton

• a tool used to measure electricity

• a tool used to measure electronics

What physical quantity does ammeter measures?

• Voltage

• Current

• Resistance

• Power

Choose the true statement below concerning DC currents:

• DC stands for Direct Computing and electrons flow in multiple pathways
• DC stands for direct current and electrons flow in multiple directions
• DC stands for direct current and the electrons do not flow
• DC stands for direct current and the electrons flow in only one direction

A digital multimeter is used to measure _____. (Select all that apply)

• voltage

• current

• blood pressure

• resistance

A dynamometer wattmeter can be used for

• DC

• AC

• DC and AC

• Any of the above

In a Circuit, Ammeter should be always connected in ____ arrangement

• Series

• Parallel

• Either in Series or in Parallel

• Can be connected in booth

The deflection in moving coil galvanometer is

• Inversely proportional to the area of the coil

• Directly proportional to the torsional constant

• inversely proportional to the current flowing

• Directly proportional to the number of turns of the coil