An RLC series circuit, connected to a source ε, is at resonance. Then:
a. the applied voltage and current differ in phase by 90 degrees.
b. the voltage across R is zero.
c. the voltage across C is zero.
d. the voltage across R equals the applied voltage.
e. the voltage across L equals the applied voltage
Answers: 2
Physics, 22.06.2019 02:50
20. threshold braking in the vehicle's braking system occurs when a. the brake pedal is pushed, heel on floorboard, with full foot pressure. b. the brakes are exerting full braking power, without traction loss. c. the driver begins pushing down the brake pedal, with moderate slowdown. d. the brakes just begin to take hold with a gradual slowdown.
Answers: 3
Physics, 22.06.2019 16:00
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
Physics, 23.06.2019 06:20
69. air frictionthe velocity of the satellitea. decreases b. increases c. sometimes increases sometimedecreases d. no effect at all70. the unit of gravitational potential energy isa.jouté b.watt c. newtond.pascal71. which of the following is not influenced by a magneta. cobalt b.copper c.irond. nickel72. one joule of work done in one second by unit positive chargea.1 watt b.1 volt c.1 js d. none73. the most deviated colour of light after passing through a prisea. violet b.red c. green d.yellow4. a coin is placed below a beaker fill with water upto 12 cm isdisplaced by water isa. 9cm b.6cmс.3cmd.7cm
Answers: 1
An RLC series circuit, connected to a source ε, is at resonance. Then:
a. the applied voltage and...
Social Studies, 22.10.2020 05:01
Mathematics, 22.10.2020 05:01
English, 22.10.2020 05:01
Engineering, 22.10.2020 05:01
Biology, 22.10.2020 05:01
Social Studies, 22.10.2020 05:01
Mathematics, 22.10.2020 05:01
Business, 22.10.2020 05:01
English, 22.10.2020 05:01
Mathematics, 22.10.2020 05:01
Chemistry, 22.10.2020 05:01