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- Question : 1P - Express each ofthe following numbers in scientific notation: (a) 3000 (b) 75,000 (c) 2,000,000
- Question : 1ST - Which of the following is not an electrical quantity? (a) current (b) voltage (c) lime (d) power
- Question : 1TFQ - The number 3300 is written as 3.3 X I03 in both scientific and engineering notation.
- Question : 2P - Express each fractional number in scientific notation: (a) 1/500 (b) 1/2000 (c) 1/5.000.000
- Question : 2ST - The unit of current is (a) volt (b) watt (c) ampere (d) joule
- Question : 2TFQ - A negative number that is expressed in scientific notation will always have a negative exponent.
- Question : 3P - Express each of the following numbers in scientific notation: (a) 8400 (b) 99.000 (c) 0.2 X I06
- Question : 3ST - The unit of voltage is (a) ohm (b) watt (c) volt (d) farad
- Question : 3TFQ - A negative number that is expressed in scientific notation will always have a negative exponent.
- Question : 4P - Express each ofthe following numbers in scientific notation: (a) 0.0002 (b) 0.6 (c) 7.8 X 10-2
- Question : 4ST - The unit of resistance is (a) ampere (b) henry (c) hertz (d) ohm
- Question : 4TFQ - When you divide two numbers written in scientific notation, the exponent of the denominator is subtracted from the exponent of the numerator.
- Question : 5P - Express each ofthe following numbers in scientific notation: (a) 32 X 103 (b) 6800 X 10"6 (c) 870 X 10s
- Question : 5ST - Hertz is the unit of (a) power (b) inductance (c) frequency (d| lim
- Question : 5TFQ - The metric prefix micro has an equivalent power of ten equal to l()6
- Question : 6P - Express each of the following as a regulardecimal number: (a) 2 X 105 (b) 5.4 X 10"9 (c) 1.0 X 101
- Question : 6ST - 15.000 W is the same as (a) 15 mW (b) 15 kW (c) 15 MW (d) 15 /AV
- Question : 6TFQ - . To express 56 X I()6 with a metric prefix, the result is 56 M.
- Question : 7P - Express each of the following as a regulardecimal number: (a) 2,5 X 10"" (b) 5.0 X 102 (c) 3.9 X 10"'
- Question : 7ST - The quantity 4.7 X 103 isthe same as (a) 470 (b) 4700 (c| 47,000 (d) 0.0047
- Question : 7TFQ - 0.047 /xFis equal to 47 nF.
- Question : 8P - Express each number in regular decimal form: (a) 4.5 X 10"" (b) 8 X 10"'' (c) 4.0 X I0"12
- Question : 8ST - The quantity 56 X I0~3 is the same as (a) 0.056 (b) 0.560 (c) 560 (d) 56,000
- Question : 8TFQ - 0.047 /xFis equal to 47 nF.
- Question : 9P - Add the following numbers: (a) (9.2 x I06 ) + (3.4 X I07 ) (b) (5 X 103 ) + (8.5 X 10"') (c) (5.6 X I0"8 ) + (4.6 X 10"'')
- Question : 9ST - The number 3,300,000 can be expressed in engineering notation as (a) 3300 X 103 (b) 3.3 X K)"6 (c) 3.3 X 106 (d) either answer(a) or
- Question : 9TFQ - When you apply the round-to-even rule to round off26.25 to three digits, the result is 26.3.
- Question : 10P - Perform the following subtractions: (a) (3.2 x I012) - (I.I X 1012) (bl (2.6 X I08 ) - (1.3 x I07 ) (c) <1.5 x I0"12) - (8 X I0"13)
- Question : 10ST - Ten milliamperes can be expressed as (a) 10 MA (b) 10 p.A (c) iOkA (d) 10 mA
- Question : 10TFQ - In general, three significant digits are appropriate for most measured quantities.
- Question : 11P - Perform the following multiplications: (a) (5 X I03 )(4 X I05 ) (b) (1.2 X IOl2)(3 X I02 ) (c) (2.2 X 10~y )(7 X It)"6 )
- Question : 11ST - Five thousand volts can be expressed as (a) 5000 V (b) 5 MV (c) 5 kV (d) either answer (a) or
- Question : 12P - Divide the following: (a) (1.0 X 103 ) -i- (2.5 x id2 ) (b) (2.5 X I0"6 ) - (5.0 X 10"s ) (c) (4.2 X lO8 ) h- (2 X I0~5 )
- Question : 12ST - Twenty million ohms can be expressed as (a) 20 mU (b) 20 MW (c) 20 MQ (d) 20/xll
- Question : 13P - Perform the indicated operations: (a) (8 X I04 + 4 X I03 ) ^ 2 X I02 (b) (3 X 107 )(5 X 105 ) - 9 X I012 (c) (2.2 X I02 -r 1.1 X I02 )(5.5 X I04 )
- Question : 13ST - The number ofsignificant digitsin 0.1050 is (a) two (b) three (c) four (d) five
- Question : 14P - Listthe powers often used in engineering notation
- Question : 15P - Express each of the following numbers in engineering notation: (a) 89,000 (h) 450.000 (c) 12.040.000.000.000
- Question : 16P - Express each number in engineering notation: (a) 2.35 X I05 (b) 7.32 X I07 (c) 1.333 X 109
- Question : 17P - Express each number in engineering notation: (a) 0.000345 (b) 0.025 (c) 0.00000000129
- Question : 18P - Express each number in engineering notation: (a) 9.81 X KT3 (b) 4.82 X I0"4 (c) 4.38 X KT7
- Question : 19P - Add the following numbers and express each result in engineering notation: (a) <2.5 X 10"3 ) + <4.6 X KT3 ) (b) (68 X 106 ) + (33 X I06 ) (c) (1.25 X 106 ) + (250 X I03 )
- Question : 20P - Multiply the following numbers and express each result in engineering notation: (a) (32 X 10_3)(56 X I03 ) (b) (1.2 X 10"fi)(l.2 x I0"6 ) (c) 100(55 X I0~3 )
- Question : 21P - Divide (he following numbers and express caeh resultin engineering noialion: (a) 50 -i- (2,2 X I03 ) (b) (5 X 103 ) + (25 X 10~6 ) (c) 560 X 10' -h (660 x 103 )
- Question : 22P - Express each number in Problem 15 in ohms using a metric prefix.
- Question : 23P - Express each number in Problem 17 in amperes using a metric prefix.
- Question : 24P - Express each of the following as a quantity having a metric prefix: (a) 31 X I0"3A (b) 5.5 X I03V (c) 20 X I0~12F
- Question : 25P - Express the following using metric prefixes: (a) 3 X Kr'T (b) 3.3 X I06 n (c) 350 X lO^A
- Question : 26P - Express the following using metric prefixes: (a) 2.5 X 10~12A (b) 8 X 109Hz (c) 4.7 X lO'fl
- Question : 27P - Express each quantity by converting the metric prefix to a power-of-10: (a) 7.5 pA (b) 3.3 GHz (c) 280 nW
- Question : 28P - Express each quantity in engineering notation: (a) 5/aA (b) 43 mV (c) 275 kii (d) 10 MW
- Question : 29P - Perform the indicated conversions: (a) 5 mA to microamperes (b) 3200 /xW to milliwatts (c) 5000 kV to megavolts (d) 10 MW to kilowatts
- Question : 30P - Determine the following: (a) The number of microamperes in 1 milliampere (b) The number of millivolts in 0.05 kilovoll (c) The number of megohms in 0.02 kilohm (d) The number ofkilowatts in 155 milliwatts
- Question : 31P - Add the following quanlities;: (a) 50mA + 680M (h) 120 k(l + 2.2 Mil (c) 0,02,,.r + 3300 pF
- Question : 32P - Do the following operations: (a) lOkil ^ (2.2kil + lOkfl) (b) 250mV -r- 5(1 /iV (c) 1 MW -r- 2kW
- Question : 33P - How many significant digits are in each ofthe following numbers: (a) 1.00 X I0} (b) 0.0057 (c) 1502.0 (d) 0.000036 (e) 0.105 (0 2.6 X I02
- Question : 34P - Round each ofthe following numbers to three significant digits. Use the "round-lo~even" rule, (a) 50,505 (b) 220.45 (c) 4646 (d) 10.99 (e) 1.005

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