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Worksheetsquiz time
Total questions: 29
Worksheet time: 14mins
Who formulated the current-voltage relationship for a resistor.
Who demonstrated the theory of electromagnetic induction in 1831?
______ are the means of explicitly expressing the dimensions.
Units
Who invented the battery in 1800?
Who formulated two laws that will help analyze even simple circuits in 1847?
Who started the research on electromagnetic waves theory and predicted that it would be possible to transmit radio waves from one point to another?
He is the first to transmitted a radio wave within a short distance in 1887
Together with his assistant Thomas Watson, he transmitted a musical note using a telephone in 1875.
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Alexander Graham Bell
Who invented one of the incandescent bulb?
Who made the first practical use of radio waves for communication in 1896?
Guglielmo Marconi
Guglielmo Marconi
Guglielmo Marconi
Guglielmo Marconi
Who invented the cathode-ray tube in 1897?
He used a diode as a radio signal detector in 1904.
Who invented the audion, also known as the triode in 1906?
Who invented the all-electric camera tube in 1929?
He invented the IC or Integrated Circuit in 1958
In 1947, Walter Brattain and John Bardeen pioneered in the invention of what electronic device?
Transistor
Resistor
Terminator
Motor
_________ are the general expression of a characteristics of measurement
length
area
dimensions
angle
Which one is not a dimension?
Kelvin
Which one is a unit?
none of the above
A car is travelling with a speed of 550 ft/sec. How fast it is going in miles per hour?
375 miles/hour
Fundamental unit for the length in metric system is?
3.5 mile is equal to
18480 ft.
2217600 in
all of the above
The below given distance units are arranged in an order of nm, mm, dm, m, km.
descending to ascending
ascending to descending
largest to smallest
smallest to largest
30 mile/hour is equal to _______.
45.46 feet per second
The diagram shows part of a ruler. The ruler is used to find the length of a nail. What is the length of the nail?
The length of the nail is 2.7 centimeters.
A cylindrical can is rolled along the ruler shown in the diagram. The can rolls twice. What is the circumference (distance all round) of the can?
5 inch
13 inch
15 cm
13 cm
What SI unit is used to measure electric current?
What does kilo mean?
Which lists metric units, in order, from smallest to largest?
gram, centigram, milligram
milligram, centigram,gram
kilo, lobot, utot
ewan, ikaw bahala, pede na yan
