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. When a series RC circuit is connected to a dc voltage, the circuit current reaches 63.2% of its final steady-state value in one time-constant. When a resistance R is connected to a dc voltage Vo, the current instantaneously rises to the value V/R. When a series RL circuit is switched to a dc voltage Vo, the current at the instant of switching

. When a series RC circuit is connected to a dc voltage, the circuit current reaches 63.2% of its final steady-state value in one time-constant. When a resistance R is connected to a dc voltage Vo, the current instantaneously rises to the value V/R. When a series RL circuit is switched to a dc voltage Vo, the current at the instant of switching

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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1. When a series RC circuit is connected to a dc voltage, the circuit current reaches 63.2% of its final steady-state value in one time-constant. 2. When a resistance R is connected to a dc voltage Vo, the current instantaneously rises to the value V/R. 3. When a series RL circuit is switched to a dc voltage Vo, the current at the instant of switching is zero. 4. When the value of L is in henrys and of R is in ohms in a series RL circuit, its time constant is R/L seconds. When a series RL circuit is switched on to a dc voltage, the initial rate of change of current in the circuit is minimum at t= 0. 5. 6. When a series RC circuit is connected to a dc voltage, the charging current reduces to less than 1% of its initial value in five time-constants. 7. When a series RL circuit carrying current l, is suddenly open-circuited, the current at t = 0* is zero. 8. When a series RC circuit is switched on to a dc voltage, the current is zero at t = 0*. 9. During the discharging of a capacitor through a resistor, the voltages across R and C are equal. 10. The current flowing in a series RL circuit cannot change instantaneously. 11. Permeability of a material is the measure of the ease with which the magnetic domains can be aligned. 12. The unit of magnetic flux density is A/m?. 13. The superposition theorem can be applied to any network, howsoever complex, containing any number of linear and nonlinear elements. 14. The defining voltage-current equation for an inductance is linear. 15. By 'turning OFF' a current source means 'open- circuiting' its terminals.
Transcribed Image Text:1. When a series RC circuit is connected to a dc voltage, the circuit current reaches 63.2% of its final steady-state value in one time-constant. 2. When a resistance R is connected to a dc voltage Vo, the current instantaneously rises to the value V/R. 3. When a series RL circuit is switched to a dc voltage Vo, the current at the instant of switching is zero. 4. When the value of L is in henrys and of R is in ohms in a series RL circuit, its time constant is R/L seconds. When a series RL circuit is switched on to a dc voltage, the initial rate of change of current in the circuit is minimum at t= 0. 5. 6. When a series RC circuit is connected to a dc voltage, the charging current reduces to less than 1% of its initial value in five time-constants. 7. When a series RL circuit carrying current l, is suddenly open-circuited, the current at t = 0* is zero. 8. When a series RC circuit is switched on to a dc voltage, the current is zero at t = 0*. 9. During the discharging of a capacitor through a resistor, the voltages across R and C are equal. 10. The current flowing in a series RL circuit cannot change instantaneously. 11. Permeability of a material is the measure of the ease with which the magnetic domains can be aligned. 12. The unit of magnetic flux density is A/m?. 13. The superposition theorem can be applied to any network, howsoever complex, containing any number of linear and nonlinear elements. 14. The defining voltage-current equation for an inductance is linear. 15. By 'turning OFF' a current source means 'open- circuiting' its terminals.
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