What one of the following is used to determine the resistance in an electrical circuit?

Which of the following does NOT conduct electricity?

A typical insulator for an 11kv overhead line would be?

Conducting materials contain electrons which are......

The electrical energy supplied by a lead acid battery is produced by a?

which of the following has the lowest resistivity?

Insulation material found in MICC is?

When the resistance of an electrical circuit is increased, the.......

A resistive load in a circuit converts electrical energy into?

The relationship between the mass of a body (M), the applied force to the body (f) and the acceleration of the body (a) is given by the formula?

The SI unit of time in the second. Express 0.00001 seconds in a suitable sub multiple:

In a magnetic circuit the magnetic field strength (H) is expressed in ampere turns/Meter. H is calculated using the formula?

The formula used to calculate the resiustance of a conductor given, Length (L), Cross sectional area (A), Resistivity (P)

If the input energy and output energy of a machine are known, the percentage efficiency of the machine is calculated using the formula?

Electric current is the flow of negatively charged particles called?

Good insulating materials are materials which have an atomic structure with.....

Given the formula Force = mass x acceleration. a object is accelerated at 2m/2sec when a force of 10 newtons is applied, calculate the mass of the object.

A d.c machine pas a power output of 1200w. the imput current is 4A and the applied voltage is 375v. what is the efficiency of the machine?

Two resistors of 20 and 40 ohms are connected in series across a 120v d.c supply, what is the current?

What are the correct units for power, voltage and current?

Using ohms law, esplain how we find voltage if we know current and resistance

If a motor supplies 8kw of power when operasting at an efficiency of 80%, how much power does the motor itself take?

What materials do NOT conduct electricity?

What voltage is used in the trasnmition of electrical energy via the national grid

If 10m of cable is 5 ohms, what is the resistance 80m?

The formula of resistivity is?

You have the following resistors not wired in series 0.23 0.54 0.42, Rt is?

What is conventional flow?

The image shown represents that of a

Given  A = B + C, Make B the subject

what is the si unit for weight?

What does A.C stand for?

name all 3 effects on electrical current

Increasing the length of a conductor will ....

What is shown in this image

What is shown in this image

What do all of these items have in common?

How are Voltmeters and ammeters connected?

What is the formula used to calculate force (N)?

What is the Formula for work done?

The Formula for Average power is?

If 10m of cable is 5 ohms, What would the resistance be if the cable was 80m

Which of the following electronic devices are suitable for detecting temperature change?

What effort is required to lift the load