organised by Professional Group E10(circuit theory & design). organised by Professional Group E10 (Circuit Theory & Design) organised by Professional Group E10 (circuit theory & design), IEE. Professional Group E10(circuit theory & design). Professional Group E10 (Circuit Theory & Design) organised by professional Group C7 (Control Techniques) organized by the Professional Group on Circuit Theory. organised by Professional Group C7 (Control Techniques) organised by Professional Group C6 (Microprocessor Applications) organised by Professional Group E12(Microwave devices and techniques)