What is the power of a portable radio that operates on 24 v two 12 v batteries in series and draws 2.2 a current?

What is the power of a portable radio that operates on 24 v two 12 v batteries in series and draws 2.2 a current?
by

1 Answer

Answer :

The power in this case is equal to the voltage, times thecurrent. Because of the units used, the answer will be inwatts.
by
selected by

Related questions

What is the resistance of a circuit that operates on 12 volts and draws 7 amps?

Description : What is the resistance of a circuit that operates on 12 volts and draws 7 amps?

Last Answer : Need answer

A graphing calculator uses a 6.0 V battery and draws 2.6 × 10−3 A of current. What is the power rating of the calculator?

Description : A graphing calculator uses a 6.0 V battery and draws 2.6 × 10−3 A of current. What is the power rating of the calculator?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

A fridge uses 220 watts from 110 V power source. The Fridge then draws a current from the source equal to

Last Answer : A fridge uses 220 watts from 110 V power source. The Fridge then draws a current from the source equal to 2 amps.

What kind of batteries do a portable radio use?

Description : What kind of batteries do a portable radio use?

Last Answer : Portable radios use double A batteries the most common battery around. There are a few minor ones that take triple A but thats not very common.

A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, what is the antenna current at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Description : A final amplifier of a radio transmitter draws 250 mA of plate current when the plate supply voltage is 1400 volts. If the plate circuit efficiency is 80% and the transmitter is connected to an antenna having a feed impedance of 70 ohms, ... at the feed-point? A. 4.0 A B. 2.2 A C. 1.25 A D. 2.0 A

Last Answer : D. 2.0 A

Three 12 volt, lead-acid, batteries connected in series will develop __________. A. 12 volts B. 24 volts C. 36 volts D. 48 volts

Description : Three 12 volt, lead-acid, batteries connected in series will develop __________. A. 12 volts B. 24 volts C. 36 volts D. 48 volts

Last Answer : Answer: C

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.

Description : 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.

Last Answer : A nichrome heating element connected to a 200 V supply draws an intial current of 2.2 A which settles down after a ... is `1.7xx10^(-4) "per"^(@)C`.

A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor

Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

A lamp is provided with 110 volts and draws a current of 0.8 amps. What is the resistance of the lamp? A. 12.2 ohms B. 88.0 ohms C. 122.2 ohms D. 137.5 ohms

Description : A lamp is provided with 110 volts and draws a current of 0.8 amps. What is the resistance of the lamp? A. 12.2 ohms B. 88.0 ohms C. 122.2 ohms D. 137.5 ohms

Last Answer : Answer: D

If the 12 Ohm resistor draws a current of 1 A as shown in the figure, the value of resistance R is

Description : If the 12 Ohm resistor draws a current of 1 A as shown in the figure, the value of resistance R is

Last Answer : If the 12 Ohm resistor draws a current of 1 A as shown in the figure, the value of resistance R is

Which of the following statements is correct concerning the motor performance curves and data table shown in the illustration? EL-0006 A. The motor RPM at full load is 1737 RPM. B. The motor draws 12.62 kw from the switchboard when operating at full load. C. If the motor was developing 10 HP its power factor would be 0.92. D. All of the above.

Description : Which of the following statements is correct concerning the motor performance curves and data table shown in the illustration? EL-0006 A. The motor RPM at full load is 1737 RPM. B. The motor draws 12.62 kw ... If the motor was developing 10 HP its power factor would be 0.92. D. All of the above.

Last Answer : Answer: D

Coast Guard Regulations (46 CFR) state that a continuous trickle charge, supplied from the ship's service power system, is required for batteries supplying power to the ___________. A. emergency diesel starting system B. emergency power system for the radar C. portable radios for the lifeboats D. radios installed in the lifeboats

Description : Coast Guard Regulations (46 CFR) state that a continuous trickle charge, supplied from the ship's service power system, is required for batteries supplying power to the ___________. A. emergency diesel ... system for the radar C. portable radios for the lifeboats D. radios installed in the lifeboats

Last Answer : Answer: A

A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited. Then (A) Both eddy current and hysteresis losses decreases. (B) Both eddy current and hysteresis losses increases. (C) Eddy current loss remains the same but hysteresis loss increases. (D) Eddy current loss increases but hysteresis loss remains the same.

Description : A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited. Then (A) Both eddy current and hysteresis losses decreases. (B) Both ... same but hysteresis loss increases. (D) Eddy current loss increases but hysteresis loss remains the same.

Last Answer : (A) Both eddy current and hysteresis losses decreases.

Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' were connected in series-opposing to 'C' and 'B' was similarly connected to'D', the result would be _______________. EL-0039 A. 18 volts, negative at the top terminal B. 18 volts, positive at the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal

Description : Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' were connected in series-opposing to 'C' and 'B' was similarly ... the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal

Last Answer : Answer: A

Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' and 'B' were reconnected to be in series-opposing to 'C' and 'D' respectively, the result would be _______________. EL-0039 A. 18 volts, negative at the top terminal B. 18 volts, positive at the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal

Description : Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' and 'B' were reconnected to be in series-opposing to 'C' and 'D' ... at the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal

Last Answer : Answer: A

An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is

Description : An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately? A.385 ohms B.38.5ohms C.3.1 ohms D.31 ohms

Last Answer : 31ohns

A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s.

Description : A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be

Last Answer : A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be 474 V

A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc

Description : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is (A) 4.5 V (B) 6.75 V (C) 9 V (D) 13.5 V

Last Answer : A 230 V, 50 Hz phase controlled single-phase full-controlled SCR bridge converter draws 15 A constant dc current. If the source inductance is 3 mH, the drop in dc output voltage is 9 V

An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately...

Description : An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately equal to: A. 385Ω B. 38.5Ω C. 3.1Ω D. 31Ω

Last Answer : An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately equal to: 31Ω

A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady

Description : A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady short-circuit line current of   (a) 250A (b) 50 A (c) 150 A (d) 350 A 

Last Answer : A 10 kVA, 400 V/200 V single phase transformer with 10% impedance draws a steady short-circuit line current of 250A

Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9

Description : Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9

Last Answer : Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the ... V B. `3.8` V C. zero D. `4.8` V

The winch shown in the illustration operates in any of the positions with the master switch in the 'lower' direction, but will not 'hoist' in any of the master switch hoist positions. Which of the listed faults could be the cause? EL-0102 A. Master switch contact 'MS3' may have defective springs. B. Contactor '3M' coil could have an open winding. C. Contact '2M' in the power circuit may be badly corroded. D. Series relay 'FR' may be open.

Description : The winch shown in the illustration operates in any of the positions with the master switch in the 'lower' direction, but will not 'hoist' in any of the master switch hoist positions. Which of the listed faults ... '2M' in the power circuit may be badly corroded. D. Series relay 'FR' may be open.

Last Answer : Answer: A

In the illustration, A, B, C and D are 12 volt batteries. a voltmeter across the output of the circuit will indicate _____________. EL-0039 A. 6 volts B. 12 volts C. 24 volts D. 48 volts

Description : In the illustration, A, B, C and D are 12 volt batteries. a voltmeter across the output of the circuit will indicate _____________. EL-0039 A. 6 volts B. 12 volts C. 24 volts D. 48 volts

Last Answer : Answer: C

A heating element of a hot plate on an electric cooking range draws 12...

Description : A heating element of a hot plate on an electric cooking range draws 12 amperes from 240 V mains. How many kWh of energy will be consumed in one hour and 15 minutes 

Last Answer : A heating element of a hot plate on an electric cooking range draws 12 amperes from 240 V mains. 3.2 kWh of energy will be consumed in one hour and 15 minutes. 

Does a toshiba portable dvd require batteries?

Description : Does a toshiba portable dvd require batteries?

Last Answer : It depends. There are batteries for the Toshiba portable dvd, but you can also use a charger to charge up the dvd. It can run for awhile w/out batteries. Here is a place to buy the batteries: www.ebatts.com �ۼ Portable DVD Player Batteries

Do all Portable CD Players run on batteries?

Description : Do all Portable CD Players run on batteries?

Last Answer : Most portable CD Players run on batteries, although there is a line Sony makes that is rechargeable.

Can I use rechargeable batteries in my portable DVD player?

Description : Can I use rechargeable batteries in my portable DVD player?

Last Answer : There are some rechargeable portable DVD players where you can use rechargeable batteries, they cannot be used in every portable DVD player because at some point the batteries start to slow down.

Are there any portable tvs that run on batteries?

Description : Are there any portable tvs that run on batteries?

Last Answer : Most portable TVs have the option to run the machine on batteries, Modern portable televisions are LCD and thus able to run off batteries for quite a long time before they die.

What are the disadvantages of using rechargeable batteries for a portable keyboard?

Description : What are the disadvantages of using rechargeable batteries for a portable keyboard?

Last Answer : Some of the disadvantages of using rechargeable batteries is the price. They are more expensive than disposables, especially if you use few battery operated items at home. They also have known to have caught fire fire while being recharged.

When a current of 0.5 A is passed through two resistances in series, the potential difference between the ends of the series arrangement is 12.5 V. On

Description : When a current of 0.5 A is passed through two resistances in series, the potential difference between the ends of the series arrangement is 12.5 V. On

Last Answer : When a current of 0.5 A is passed through two resistances in series, the potential difference between ... ends is 6 V. Calculate the two resistances.

On batteries and electricity: in anticipation of a power outage, can you put batteries in a radio and still plug it in?

Description : On batteries and electricity: in anticipation of a power outage, can you put batteries in a radio and still plug it in?

Last Answer : We have power outages all the time. I keep several flashlights ready and candles and matches everywhere. Then it is easy to put batteries in radio. Better to store them if not being used. I have spare batteries for everything. AAA, AA, 9 volt, etc.

A transformer operates 24 hours day at full -load. It's full -load efficiency is :

Description : A transformer operates 24 hours day at full -load. It's full -load efficiency is :  (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency

Last Answer : A transformer operates 24 hours day at full -load. It's full -load efficiency is : equal all day efficiency 

why the three phase induction motor draws heavy current at starting?

Description : why the three phase induction motor draws heavy current at starting?

Last Answer : At the time of starting, the rotor speed is zero hence slip is 1, the emf induced in rotor winding is very high. Hence rotor current is also very high. The starting current is 5 to 7 times more than its full load current.

A large transformer operating at no load draws an exciting current Io of 5A, when the primary is connected to...

Description : A large transformer operating at no load draws an exciting current Io of 5A, when the primary is connected to a 120 V, 60 Hz source. From a wattmeter test, it is known that iron losses are equal to 180 W. Calculate ... power absorbed by the core.  (A) 600 var (B) 572 var (C) 180 var (D) 360 var 

Last Answer : 572var

4-Quadrent operation of chopper I is positive but V is may be positive are negative operates in which quadrant a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1 and 4

Description : 4-Quadrent operation of chopper I is positive but V is may be positive are negative operates in which quadrant a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1 and 4

Last Answer : Ans: 1 and 4

If a 220/440 V, 50 Hz, 5 KVA, single-phase transformer operates on 220V, 40Hz supply with secondary winding...

Description : If a 220/440 V, 50 Hz, 5 KVA, single-phase transformer operates on 220V, 40Hz supply with secondary winding open circuited: (A) both the eddy current and the hysteresis losses will decrease ... losses will increase (D) eddy current losses will increase but the hysteresis losses will remain the same

Last Answer : If a 220/440 V, 50 Hz, 5 KVA, single-phase transformer operates on 220V, 40Hz supply with secondary winding open circuited: both the eddy current and the hysteresis losses will decrease

A series mode crystal is marked 10.000 MHz., It is used in a circuit that operates the crystal in its parallel mode. The circuit can be expected to A) Run below 10 MHz B) Run at 10 MHz C) Run above 10 MHz D) Not oscillate.

Description : A series mode crystal is marked 10.000 MHz., It is used in a circuit that operates the crystal in its parallel mode. The circuit can be expected to A) Run below 10 MHz B) Run at 10 MHz C) Run above 10 MHz D) Not oscillate.

Last Answer : C) Run above 10 MHz

Can you set the HoMedics SS4500 SoundSpa Clock Radio to display a 24 hour clock instead the standard 12 hour clock?

Description : Can you set the HoMedics SS4500 SoundSpa Clock Radio to display a 24 hour clock instead the standard 12 hour clock?

Last Answer : You can only set the 12 hour clock for this model, although other models have this capability.

For how long 220 V DC batteries can supply power UPS?

Description : For how long 220 V DC batteries can supply power UPS? 

Last Answer : 220 V DC batteries can supply Power UPS for 30 minutes. Within this time class III power supply should be restored by DG’s.  

An electric heating element supplied with 120 volts draws 15 amps. How much power will be consumed? A. 15 watts B. 45.57 watts C. 180 watts D. 1800 watts

Description : An electric heating element supplied with 120 volts draws 15 amps. How much power will be consumed? A. 15 watts B. 45.57 watts C. 180 watts D. 1800 watts

Last Answer : Answer: D

A pitched-blade turbine draws __________ a straight blade turbine. (A) Less power than (B) More power than (C) Same power as (D) Data insufficient to predict

Description : A pitched-blade turbine draws __________ a straight blade turbine. (A) Less power than (B) More power than (C) Same power as (D) Data insufficient to predict

Last Answer : (A) Less power than

An electric heater draws 5 kW of power for continuous hot water generation in an industry. How much quantity of water in litres per min can be heated from 30oC to 85oC ignoring losses?. a) 1.3 b) 78.18 c) 275 d) none of the above

Description : An electric heater draws 5 kW of power for continuous hot water generation in an industry. How much quantity of water in litres per min can be heated from 30oC to 85oC ignoring losses?. a) 1.3 b) 78.18 c) 275 d) none of the above

Last Answer : a) 1.3

A series combination of resistance 100 ohm and capacitance 50µf is connected in series to a 230 V, 50HZ supply. Calculate (i) Capacitive reactance (ii) Current (iii) Power factor (iv) Power consumed

Description : A series combination of resistance 100 ohm and capacitance 50µf is connected in series to a 230 V, 50HZ supply. Calculate (i) Capacitive reactance (ii) Current (iii) Power factor (iv) Power consumed 

Last Answer : For RC series circuit

Nickel-cadmium batteries are superior to lead-acid batteries at high discharge rates because they _______________. A. deliver a large amount of power and can be recharged in a shorter time B. need fewer cells in connected series and less mounting space C. have higher output voltages and require no maintenance D. all of the above

Description : Nickel-cadmium batteries are superior to lead-acid batteries at high discharge rates because they _______________. A. deliver a large amount of power and can be recharged in a shorter time B. need ... less mounting space C. have higher output voltages and require no maintenance D. all of the above

Last Answer : Answer: A

Can anyone recommend a portable radio?

Description : Can anyone recommend a portable radio?

Last Answer : C Crane, Sangean and Eton are all quality brands. For almost 20 years I have been using something extremely similar to this: CC Skywave AM, FM, Shortwave, Weather + Alert and VHF ... /FM/Shortwave Radio $24.99 Here are some NY Times Wirecutter recommendations: The Best Emergency Weather Radio

Where can I find a portable radio cd?

Description : Where can I find a portable radio cd?

Last Answer : A portable radio cd can be checked out Amazon.com. You can search for the best product that fits your needs, check out the review of the product and compare prices with various sellers.

What is the difference in a philips portable radio and a standard radio?

Description : What is the difference in a philips portable radio and a standard radio?

Last Answer : The difference between a Philips portable radio and a standard radio are that a Philips radio is battery powered, while a regular radio is electrically powered.

Where can I buy a tivoli portable radio?

Description : Where can I buy a tivoli portable radio?

Last Answer : A Tivoli portable radio could previously be purchased directly from the manufacturer at www.tivoliaudio.com; however, the site appears to be down at the current moment and possibly moving in the future. You can find used or cheaper versions on amazon or ebay. http://www.tivoliaudio.com

Can you buy a portable radio with a CD player?

Description : Can you buy a portable radio with a CD player?

Last Answer : Yes you can buy a portable radio with a cd player. In fact most radios come with a cd player option now days. I would reccomend a sony over all the brands available.