# What are the seven base units?

30 views
What are the seven base units?

## Your answer

 Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine. Upload image or document: Your name to display (optional): Email me at this address if my answer is selected or commented on: Privacy: Your email address will only be used for sending these notifications. Anti-spam verification: Are you a robot ? (Y = Yes / N = No) .captcha_q{margin-right:10px;color:#00C;} #response_field{display:none;} .q2apro_captcha { margin-bottom:20px; } To avoid this verification in future, please log in or register.

## 1 Answer

0 votes
Length, mass, time, electric current, temperature, luminous intensity and amount of substance are the seven base units.

## Related questions

1 answer 127 views

The units of moment of inertia of mass are?

1 answer 18 views

What is the choice of size and number of generator units in interconnected power system?

1 answer 47 views

What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s

1 answer 17 views

State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.

0 answers 18 views

What is base load and peak load power plants?

2 answers 7 views

List the four different units of pressure.

1 answer 13 views

The unit of work or energy in S.I. units is

1 answer 18 views

The unit of force in S.I. units is

1 answer 78 views

If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be A) 0.98 B) 0.41 C) 59 D) 55

2 answers 41 views

The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

1 answer 15 views

Basic SI units

1 answer 8 views

Compare base load plant with peak load plant on any two points.

1 answer 28 views
0 answers 428 views

Explain different gate drives techniques with base circuits and key features.

1 answer 19 views

What are the SI derived units?

1 answer 14 views
1 answer 23 views

What are the types of error?

1 answer 25 views

What are the factors influencing measurement errors?

1 answer 49 views

what are the advantages of digital multimeter ?

0 answers 91 views

A conductor is composed of seven identical copper strands, each having a radius 'R'. Then what is self GMD (Geometric Mean Distance) of the conductor?  (A) 2.645 R (B) 2.177 R (C) 2.141 R (D) 1.21 R

0 answers 430 views

The base kV and base MVA are halved and the per unit impedance new value is 0.5. The per unit impedance of the original circuit element is (A) 0.25 (B) 0.5 (C) 0.625 (D) 1.0

1 answer 15 views

The p.u. parameter for a 500 MVA machine on its own base are: inertia, M = 20 p.u. ; reactance, X = 2 p.u. The p.u. values of inertia and reactance on 100 MVA common base, respectively, are (A) 4, 0.4 (B) 100, 10 (C) 4, 10 (D) 100, 0.4

1 answer 5 views

The base unit in SI system are - a) Metre, Kilogram, Second b) Metre, Kilogram, Second, Ampere c) Metre, Kilogram, Second, Ampere, Kelvin, Candela, Mole d) Metre, Kilogram, Second, Ampere, Kelvin, Candela

0 answers 23 views

The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be:  (A) 0.3 (B) 0.6 (C) 0.003 (D) 0.006

1 answer 12 views

Choose the correct statement  (a) Digital multimeters are built using current measuring elements, while analog multimeters are built using voltage measuring units (b) Digital multimeters are built using voltage measuring units, while analog multimeters are built using current measuring units (c) Both digital and analog multimeters are built using voltage measuring units (d) Both digital and analog multimeters are built using current measuring units

1 answer 10 views

Two sinusoidal signals of the same frequency are displayed on a dual-trace oscilloscope. One complete cycle of each signal covers 6 cm of the horizontal scale and the starting point of the horizontal scale and the starting point of the two signals are separated by 0.5 cm. The phase difference between the two signals in degrees is  (a) 30 (b) 45 (c) 60 (d) 90

1 answer 55 views

What is basic SI units?

2 answers 32 views
1 answer 13 views

How many non-overlapping channels are available in IEEE 802.11b

1 answer 22 views

Very small displacements are effectively measured using

1 answer 36 views

What is logic analyser?

1 answer 34 views

What is digital storage oscilloscope (DSO)?

1 answer 28 views

What is phosphorescence and fluorescence?

1 answer 42 views
1 answer 46 views

What is measurement error ?

1 answer 14 views

Define the following terms and state their units: (i) Luminous intensity, (ii) Luminous flux

1 answer 4 views

Define absolute pressure and gauge pressure. State the different units for pressure measurement.

1 answer 117 views

The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%

0 answers 54 views

Which of the following units is connected with discharge in a domestic water pump?  A) Kg/SqCm B) RPM C) LPM D) N/m2

1 answer 12 views
1 answer 10 views

The non-uniform distribution of voltage across the units in a string of suspension type insulators is due to?

1 answer 1,275 views

The unit of power in S.I. units is

1 answer 8 views

Compare BJT common base configuration with common collector configuration on the basis of (i) Current gain (ii) Voltage gain (iii) Input impedance (iv) Output impedance

0 answers 42 views

A BJT’s voltage stand-off capability when the base current is zero (A) collector-emitter breakdown voltage (B) minimum collector-emitter voltage (C) collector-base breakdown voltage (D) emitter-base voltage

1 answer 47 views

For a given base voltage and base volt-amperes, the per unit impedance value is x. For the doubled base values of both voltage and volt-amperes, the per unit impedance will be (a) 2x (b) 0.25x (c) 0.5x (d) no change

1 answer 18 views

A transistor has a typical value of β = 200 , If the collector current is 15 mA, then base current will be

1 answer 23 views

The voltage gain of a common base amplifier depends on  1. Load resistor RL 2. input resistance of transistor 3. Ac alpha 4. All the above

1 answer 5 views

In short circuit calculations, the selected base kVA is equal to (A) That of the largest Plant (B) The total plant Capacity (C) Any arbitrary value (D) Can be any one of (A), (B), (C)

2 answers 17 views

For the active mode BJT operation (A) Emitter Base Junction is Forward Biased and Collector Base Junction is Forward Biased (B) Emitter Base Junction is Reverse Biased and Collector Base Junction is Reverse Biased (C) Emitter Base Junction is Forward Biased and Collector Base Junction is Reverse Biased (D) Emitter Base Junction is Reverse Biased and Collector Base Junction is Forward Biased

1 answer 29 views

Which of the following is not a base load plant ? (A) Thermal power plant (B) Pumped storage plant (C) Hydro power plant (D) Geothermal power plant