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2.    Explain the best type of connection for the following parts within an electrical circuit: series or parallel. Provide reasons for your answers. (4 marks) (a) lights in your house (b) 1.5 V batteries to power a 6.0 V electronic device

(a)    Label the parts of the DC motor. (5 marks)       (b)    Explain the Motor Principle in relation to the operation of the DC motor.  (2 marks) (c)    Explain the role of the commutator in the DC motor. (2 marks)

Which of the following is an acceptable unit for density?

If two 200 Ω resistors are connected in parallel, their total resistance is:

In terms of the air flow around an airplane wing, it is true that that underneath the wing:

Explain how you could determine the efficiency with which the mechanical energy of a pendulum is conserved.

If a car accelerates from 15 m/s to 25 m/s, what amount of work is done if the car has a mass of 800kg?

_____________ is the term for when a resident with dementia leaves a safe location unsupervised.

The application of crime analysis, data analysis, and statistical predictions to identify targets for police attention is called _________________ policing.

Which U.S. Supreme Court decision requires prosecutors to notify defense attorneys whenever a cop in their case has a record of knowingly lying in an official capacity?