F023 TAv06 EO 06.01 and 02

Select from the following;

examples of a Secondary Battery.

• Lead Acid

• Nickel-cadmium

• Carbon-Zinc

• Zinc-chloride

• Alkaline

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

• 1/4 A

• 144 A

• 4 A

• 0.4 A

Kirchhoff's current law is applicable to only

• Junction in a network

• Closed loops in a network

• Electric circuits

• Electronic circuits

Kirchhoff's current law states that

• Net current flow at the junction is positive

• Algebraic sum of the currents meeting at the junction is zero

• No current can leave the junction without some current entering it

• Net current flow at the junction is negative

What is the rule for voltage in a Parallel Circuit

• Voltage adds

• Voltage Divides

• Voltage Stays the same

• Voltage Multiplies

Which of the following is used for the Cathode on a SLAB?

• Spongy lead plates

• Lead peroxide impregnated spongy lead plates

• Cadmium hydroxide

• Nickel hydroxide

• Glass

Which of these methods would you be able to calculate the total resistance in a parallel circuit which 2 resistors?

• Product over sum

• Sum over Product

• Summing the resistor values together

• The product of the resistor values

• R1 divided by R2

What is the value of I?

Select the correct answers that are causes of Thermal Runaway.

• Separator breakdown due to age

• Constant loss of electrolyte

• Over-charging

• Under-charging

• Fast charging with temperature control