Major Competitive Exams
Q. What is the unit of magnetic field strength as per Biot-Savart Law?
A.
Tesla
B.
Ampere
C.
Newton
D.
Coulomb
Show solution
Solution
The unit of magnetic field strength is Tesla (T).
Correct Answer: A — Tesla
Learn More →
Q. What is the unit of magnetic field strength in the context of Ampere's Law?
A.
Coulomb
B.
Tesla
C.
Henry
D.
Ohm
Show solution
Solution
The unit of magnetic field strength is Tesla (T).
Correct Answer: B — Tesla
Learn More →
Q. What is the unit of magnetic field strength in the SI system?
A.
Tesla
B.
Newton
C.
Coulomb
D.
Volt
Show solution
Solution
The unit of magnetic field strength is the Tesla (T).
Correct Answer: A — Tesla
Learn More →
Q. What is the unit of magnetic field strength?
A.
Tesla
B.
Newton
C.
Coulomb
D.
Volt
Show solution
Solution
The unit of magnetic field strength is the Tesla (T), which is defined as one weber per square meter.
Correct Answer: A — Tesla
Learn More →
Q. What is the unit of magnetic flux?
A.
Weber
B.
Tesla
C.
Henry
D.
Ampere
Show solution
Solution
The unit of magnetic flux is the Weber (Wb), which is defined as the amount of magnetic field passing through a given area.
Correct Answer: A — Weber
Learn More →
Q. What is the unit of magnetic moment? (2023)
A.
Ampere-meter
B.
Tesla
C.
Weber
D.
Newton-meter
Show solution
Solution
The unit of magnetic moment is Ampere-meter (A·m²).
Correct Answer: A — Ampere-meter
Learn More →
Q. What is the unit of mass in the SI system?
A.
Gram
B.
Kilogram
C.
Pound
D.
Ounce
Show solution
Solution
The SI unit of mass is the kilogram.
Correct Answer: B — Kilogram
Learn More →
Q. What is the unit of measurement for electric current in the SI system? (2022)
A.
Volt
B.
Ampere
C.
Ohm
D.
Coulomb
Show solution
Solution
The SI unit of electric current is the Ampere (A).
Correct Answer: B — Ampere
Learn More →
Q. What is the unit of measurement for electric current? (2019)
A.
Volt
B.
Ohm
C.
Ampere
D.
Watt
Show solution
Solution
The SI unit of electric current is the Ampere (A).
Correct Answer: C — Ampere
Learn More →
Q. What is the unit of power in the International System of Units (SI)?
A.
Joule
B.
Watt
C.
Newton
D.
Pascal
Show solution
Solution
The unit of power in the SI system is the Watt, which is defined as one Joule per second.
Correct Answer: B — Watt
Learn More →
Q. What is the unit of power in the SI system?
A.
Joule
B.
Watt
C.
Newton
D.
Pascal
Show solution
Solution
The unit of power in the SI system is the Watt, which is defined as one Joule per second.
Correct Answer: B — Watt
Learn More →
Q. What is the unit of pressure in SI? (2023)
A.
Pascal
B.
Bar
C.
Atmosphere
D.
Torr
Show solution
Solution
The SI unit of pressure is Pascal (Pa), which is equivalent to N/m².
Correct Answer: A — Pascal
Learn More →
Q. What is the unit of pressure in the SI system?
A.
Pascal
B.
Bar
C.
Torr
D.
Atmosphere
Show solution
Solution
The SI unit of pressure is Pascal (Pa), defined as one newton per square meter (N/m²).
Correct Answer: A — Pascal
Learn More →
Q. What is the unit of rate constant for a second-order reaction?
A.
mol/L·s
B.
L/(mol·s)
C.
s^-1
D.
mol^2/L^2·s
Show solution
Solution
The unit of rate constant for a second-order reaction is L/(mol·s).
Correct Answer: B — L/(mol·s)
Learn More →
Q. What is the unit of resistance in the SI system?
A.
Volt
B.
Ampere
C.
Ohm
D.
Watt
Show solution
Solution
The unit of resistance in the SI system is the Ohm (Ω).
Correct Answer: C — Ohm
Learn More →
Q. What is the unit of resistance?
A.
Volt
B.
Ampere
C.
Ohm
D.
Watt
Show solution
Solution
The unit of resistance is Ohm, which is defined as the resistance between two points when a constant potential difference of one volt produces a current of one ampere.
Correct Answer: C — Ohm
Learn More →
Q. What is the unit of resistivity?
A.
Ohm
B.
Ohm-meter
C.
Siemens
D.
Coulomb
Show solution
Solution
The unit of resistivity is Ohm-meter (Ω·m).
Correct Answer: B — Ohm-meter
Learn More →
Q. What is the unit of sound intensity?
A.
Decibel
B.
Watt
C.
Pascal
D.
Joule
Show solution
Solution
Sound intensity is measured in decibels (dB).
Correct Answer: A — Decibel
Learn More →
Q. What is the unit of surface tension in the SI system?
A.
N/m
B.
J/m²
C.
Pa
D.
kg/m³
Show solution
Solution
The unit of surface tension is Newton per meter (N/m).
Correct Answer: A — N/m
Learn More →
Q. What is the unit of surface tension?
A.
N/m
B.
J/m²
C.
Pa
D.
N
Show solution
Solution
Surface tension is defined as force per unit length, hence its unit is Newton per meter (N/m).
Correct Answer: A — N/m
Learn More →
Q. What is the unit of the magnetic field as defined by the Biot-Savart Law?
A.
Tesla
B.
Newton
C.
Coulomb
D.
Volt
Show solution
Solution
The unit of the magnetic field as defined by the Biot-Savart Law is Tesla.
Correct Answer: A — Tesla
Learn More →
Q. What is the unit of the magnetic field as per the Biot-Savart Law?
A.
Tesla
B.
Newton
C.
Coulomb
D.
Ampere
Show solution
Solution
The unit of the magnetic field is Tesla (T), which is derived from the Biot-Savart Law.
Correct Answer: A — Tesla
Learn More →
Q. What is the unit of the rate constant for a first-order reaction? (2023)
A.
M/s
B.
M²/s
C.
s⁻¹
D.
M⁻¹s⁻¹
Show solution
Solution
The unit of the rate constant for a first-order reaction is s⁻¹.
Correct Answer: C — s⁻¹
Learn More →
Q. What is the unit of the rate constant for a second-order reaction?
A.
mol/L·s
B.
L²/mol²·s
C.
1/s
D.
mol/L
Show solution
Solution
The unit of the rate constant for a second-order reaction is L²/mol²·s.
Correct Answer: B — L²/mol²·s
Learn More →
Q. What is the unit of thermal conductivity?
A.
W/m·K
B.
J/kg·K
C.
K/W
D.
J/m·s
Show solution
Solution
The unit of thermal conductivity is Watts per meter per Kelvin (W/m·K).
Correct Answer: A — W/m·K
Learn More →
Q. What is the unit of torque in the SI system?
A.
Newton
B.
Joule
C.
Newton-meter
D.
Pascal
Show solution
Solution
The unit of torque in the SI system is Newton-meter (Nm).
Correct Answer: C — Newton-meter
Learn More →
Q. What is the unit of work in the SI system? (2023)
A.
Joule
B.
Newton
C.
Watt
D.
Pascal
Show solution
Solution
The SI unit of work is Joule (J).
Correct Answer: A — Joule
Learn More →
Q. What is the unit of Young's modulus?
A.
N/m²
B.
Pa
C.
J/m³
D.
N/m
Show solution
Solution
Young's modulus is defined as stress divided by strain and is measured in Pascals (Pa).
Correct Answer: B — Pa
Learn More →
Q. What is the unit vector in the direction of (3, 4)?
A.
(3/5, 4/5)
B.
(4/5, 3/5)
C.
(1, 1)
D.
(0, 0)
Show solution
Solution
Unit vector = (3, 4) / √(3^2 + 4^2) = (3/5, 4/5).
Correct Answer: A — (3/5, 4/5)
Learn More →
Q. What is the unit vector in the direction of (3, 4, 0)?
A.
(0.6, 0.8, 0)
B.
(0.8, 0.6, 0)
C.
(1, 0, 0)
D.
(0, 1, 0)
Show solution
Solution
Unit vector = (3, 4, 0) / √(3^2 + 4^2) = (3, 4, 0) / 5 = (0.6, 0.8, 0).
Correct Answer: A — (0.6, 0.8, 0)
Learn More →
Showing 13501 to 13530 of 17824 (595 Pages)