What mah capacity should the batteries have

Assignment Help Electrical Engineering

Reference no: EM13228237

A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation. NiMH rechargeable batteries in AA size are to be used. A) How many batteries are needed? B) What mAh capacity should the batteries have?

Reference no: EM13228237

Questions Cloud

Explain how many electrons are present in an atom : How many electrons are present in an atom with its 1s, 2s, 2p, and 3s subshells filled and with 4 electrons in the 3p subshell? What is the element?

What benefit does the isr have over standard polling code : What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code

Explain how many grams of carbon tetrachloride are required : According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.1 grams of methane (CH4)?

What distinguishes a control data value from a character : Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.

What mah capacity should the batteries have : A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.

Explain what is kc for the reaction at the temperature : When an 80.0 liter vessel containing 2.00 mole of NO2(g) was heated to 200oC, 6% of the NO2(g) decomposed to NO(g) and O2(g). What is Kc for the reaction at this temperature?

Define coordination number is expected for zinc sulfide : Based on the cation/anion radius ratio, what coordination number is expected for Zinc Sulfide

Explain what is the hydronium-ion concentration : What is the hydronium-ion concentration of a 0.40 M solution of HCN (Ka= 4.9×10-10) at 25° C?

Determine the complex impedance of the material : A sirloin steak (e'r = 52.4, µr = 1, tan dc = 0.33) is to be heated in a microwave oven operating at 2.45 Ghz. (a) Determine the uniform plane wave penetration depth. (b) Determine the complex impedance of the material.

User Account

All Pages