An electric appliance draws 3 A current from a 200 V, 50 Hz power supply. (a) Find the average of square of the current. (b) Find the amplitude of the

Question

An electric appliance draws 3 A current from a 200 V, 50 Hz power supply. (a) Find the average of square of the current. (b) Find the amplitude of the

An electric appliance draws 3 A current from a 200 V, 50 Hz power supply.
(a) Find the average of square of the current.
(b) Find the amplitude of the supply voltage.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

A simple pendulum of length `40 cm` oscillates with an angular amplitude of `0.04` rad. Find (a) the time period, (b) the linear amplitude of the bob,

2 Answers 8 Views

When a dampled harmonic oscillator completes 100 oscillations, its amplitude is reduced to `(1)/(3)` of its initial value. When will be its amplitude

2 Answers 5 Views

A draws a card from a pack of `n` cards marked `1,2,ddot,ndot` The card is replaced in the pack and `B` draws a card. Then the probability that `A` dr

2 Answers 5 Views

Consider the situation of the previous problem. Find the average electric field energy stored in the capacitor and the average magnetic field energy s

2 Answers 5 Views

A coil draws a current of `1.0` ampere and a power of `100` watt from an `A.C.` source of `110` volts and `(5sqrt22)/pi` hertz. Find the inductance an

2 Answers 5 Views

Derive an experssion for the average power in LCR circuit connected to a.c. supply. Hence define power factor. Show that average power cousumed per cy

2 Answers 6 Views

In a series LCR circuit, the frequencies at which the current amplitude is`(1)/(sqrt(2))`mes the current amplitude at resonance are` f_(1) and f_(2) (

2 Answers 4 Views

A village with a demand of 800 kW electric power at 220 V is located 30 km from an electric plant generating power at 440 V. The resistance of the two

2 Answers 4 Views

The value of `((100),(0))((200),(150))+((100),(1))((200),(151))+......+((100),(50))((200),(200))` equals (where `((n),(r ))="^(n)C_(r)`)

2 Answers 6 Views

A nichrome heating element connected to a 200 V supply draws an intial current of 2.2 A which settles down after a few seconds to a steady value of 2.

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `(a) 9A^(2) (b)282 V`

4 views Answered 2023-02-05 15:29