Description : When you are testing an inductor with a Hay bridge, the characteristics of the inductor are compared with what type of device?
Last Answer : A standard capacitor
Description : Refers to an ac bridge for measuring the inductance and Q of an inductor in terms of resistance, frequency and a standard capacitance.
Last Answer : hay bridge
Description : Is the current flow through an inductor directly proportional or inversely proportional to its inductance value?
Last Answer : Directly proportional.
Description : An AC bridge that measures inductance in terms of resistance and capacitance.
Last Answer : Owen's Bridge
Description : An AC bridge that measures mutual inductance
Last Answer : Heaviside bridge
Description : Maxwell bridge measures an unknown inductance in terms of known
Last Answer : capacitance
Description : A capacitor of capacity `2muF` is changed to a potential different of `12V` . It is then connected across an inductor of inductance `0.6mH` What is th
Last Answer : A capacitor of capacity `2muF` is changed to a potential different of `12V` . It is then ... potential difference across the capacitor is `6.0V` ?
Description : The current in ampere through an inductor is i(10+20t) Here t is in second. The induced emf in the inductor 4V. The self inductance of the indicator i
Last Answer : The current in ampere through an inductor is i(10+20t) Here t is in second. The induced emf in the inductor 4V. The ... B. `0.4` C. `0.1` D. `1.0`
Description : Due to self-inductance, the coil wires are known as: a. Insulator b. Conductor c. Inductor d. Semi-conductor
Last Answer : c. Inductor
Description : State two functions of slug- tuned inductor and write the expression of self-inductance.
Last Answer : It is kind of variable inductor. The value of inductance increases, when the slug is moved into the coil winding and decreases the resonant frequency. When the slug is moved out of the coil ... decreases and resonant frequency of the tuned circuit increases. Self-inductance (L)= N x φ /I
Description : In the cables, the location of fault is usually found out by comparing (a) the resistance of the conductor (b) the inductance of conductors (c) the capacitances of insulated conductors (d) all above parameters
Last Answer : (c) the capacitances of insulated conductors
Description : You are on an island in the middle of a lake. The lake is in a remote part of the country and there has never been a bridge connecting the island to the mainland. Every day a tractor and wagon gives ... by boat or by air. Nor was it built on the island. Explain how the tractor got there? -Riddles
Last Answer : It was driven over in winter when the lake was frozen.
Last Answer : It was driven over in winter, when the lake was frozen.
Description : When you are measuring a component using a bridge, what is the most common cause of inaccurate measurements?
Last Answer : The capacitive and inductive characteristics of the test leads.
Description : How does a capacitor and an inductor react to (a) low frequency and (b) high frequency?
Last Answer : At low-frequency, a capacitor acts as an open and an inductor acts as a short. At high-frequency, a capacitor acts as a short and an inductor acts as an open.
Description : What is the term for the number of times per second that tank circuit energy is either stored in the inductor or capacitor?
Last Answer : Natural frequency or resonant frequency (f r).
Description : When the magnetic field of the inductor is completely collapsed, where is the energy of the tank circuit stored?
Last Answer : . Capacitor.
Description : If the inductor and capacitor values are increased, what happens to the resonant frequency?
Last Answer : Decreases.
Description : In an a.c. circuit that contains both an inductor and a capacitor, what term is used for the difference between the individual reactances?
Last Answer : Resultant reactance.
Description : Which oscillator uses a tapped inductor for feedback?
Last Answer : Hartley.
Description : State three types of power loss in an inductor.
Last Answer : Copper loss; hysteresis loss; eddy-current loss.
Description : What is the term for the opposition an inductor presents to ac?
Last Answer : Inductive reactance.
Description : What is the phase relationship between current and voltage in an inductor?
Last Answer : Current lags voltage by 90° (ELI).
Description : What effect does an inductor have on a change in current?
Last Answer : An inductor opposes a change in current.
Description : The component used for tuning a radio is basically a variable – (1) Resistor (2) Condenser (3) Inductor (4) Transformer
Last Answer : (2) Condenser Explanation: A tuning capacitor or tuning condenser is a variable capacitor used in an electronic circuit of a radio. It usually connects in parallel to a loop antenna and its capacitance may be intentionally and repeatedly changed mechanically or electronically.
Description : A component that allows only unidirectional current to pass through it is A. resistor B. inductor C. transformer D. diode
Last Answer : diode
Description : The component used for tuning a radio is basically a variable (1) Resistor (2) Condenser (3) Inductor (4) Transformer
Last Answer : Condenser
Description : What is the most important component for comparing different countries? -SST 10th
Last Answer : Per capital income.
Description : The Wheatstone bridge is a precision measuring instrument utilizing the principle of changes in _____________. A. inductance B. capacitance C. resistance D. amperage
Last Answer : Answer: C
Description : Hays bridge is used to measure___________ and Schering bridge is used to measure____________ a) Inductance, Inductance b) Inductance, Capacitance c) Capacitance, Inductance d) Resistance, Capacitance
Last Answer : Ans: Inductance, Capacitance
Description : This refers to a four-arm ac bridge used for measuring inductance against a standard capacitance.
Last Answer : Maxwell Bridge
Description : The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge
Last Answer : The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge
Description : Maxwell's inductance - capacitance bridge is used for measurement of Inductance of: - a) Low Q coils b) Medium Q coils c) High Q coils d) Low and medium Q coils
Last Answer : A
Last Answer : If an inductance is connected in one arm of bridge and resistances in the remaining three arms the bridge cannot be balanced.
Last Answer : In an Anderson bridge, the unknown inductance is measured in terms of known capacitance and resistance.
Description : If the permeability of the core of a coil increases, what happens to (a) inductance and (b) true power in the circuit?
Last Answer : (a) Inductance increases; (b) true power decreases.
Description : If inductance increases in a series LR circuit, what happens to true power?
Last Answer : It decreases.
Description : A transmission line is said to have distributed constants of inductance, capacitance, and resistance along the line. What units of measurement are used to express these constants?
Last Answer : Inductance is expressed in micro henrys per unit length, capacitance is expressed in picofarads per unit length, and resistance is expressed in ohms per unit length.
Description : . What are two of the three physical factors that determine the values of capacitance and inductance of a transmission line?
Last Answer : (1) Type of line used, (2) dielectric in the line, and (3) length of line.
Description : If the inductance of a choke-input filter is increased, will the output ripple voltage amplitude (Er) increase or decrease?
Last Answer : Decrease.
Description : What undesirable effect is caused by the inductance of the cathode lead?
Last Answer : Degenerative feedback.
Description : Define mutual inductance.
Last Answer : Mutual inductance is the property existing between two coils so positioned that flux from one coil cuts the windings of the other coil.
Description : What happens to the value of XL as inductance decreases?
Last Answer : XL decreases.
Description : What is the basic unit of inductance and the abbreviation for this unit?
Last Answer : The henry, H.
Description : What effect does inductance have (a) on steady direct current and (b) on direct current while it is changing in amplitude?
Last Answer : a) No effect. (b) Inductance opposes any change in the amplitude of current.
Description : What type of core produces the greatest inductance?
Last Answer : Magnetic-metal core.
Description : In incremental launching method of bridge construction, what are the measures adopted to enhance sufficient resistance of the superstructure during the launching process?
Last Answer : i) During the launching process the leading edge of the superstructure is subject to a large hogging moment. In this connection, steel launching nose typically about 0.60.65 times span length is ... . iii)For very long span bridge, temporary piers are provided to limit the cantilever moment.
Description : An AC bridge that measures capacitance and dissipation factor
Last Answer : Schering Bridge
Description : The index of refraction measures the speed of light in an optical fiber. Will light travel faster in an optically dense material or in one that is less dense?
Last Answer : Light will travel faster in an optical material that is less dense.
Description : Which of the following measures is not an essential component of the management of moderately severe diabetic ketoacidosis: A. Insulin B. Intravenous fluids C. Potassium chloride D. Sodium bicarbonate
Last Answer : . Sodium bicarbonate